Search a number
-
+
419725680 = 243511173919
BaseRepresentation
bin11001000001001…
…000000101110000
31002020210021101120
4121001020011300
51324422210210
6105352102240
713254416013
oct3101100560
91066707346
10419725680
111a5a19130
12b8694980
1368c59bba
143da5b37a
1526cad270
hex19048170

419725680 has 160 divisors (see below), whose sum is σ = 1429194240. Its totient is φ = 101053440.

The previous prime is 419725673. The next prime is 419725687. The reversal of 419725680 is 86527914.

It is an interprime number because it is at equal distance from previous prime (419725673) and next prime (419725687).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419725687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 456261 + ... + 457179.

It is an arithmetic number, because the mean of its divisors is an integer number (8932464).

Almost surely, 2419725680 is an apocalyptic number.

419725680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 419725680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714597120).

419725680 is an abundant number, since it is smaller than the sum of its proper divisors (1009468560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

419725680 is a wasteful number, since it uses less digits than its factorization.

419725680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 419725680 is about 20487.2077160359. The cubic root of 419725680 is about 748.7241597618.

The spelling of 419725680 in words is "four hundred nineteen million, seven hundred twenty-five thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 173 176 220 240 264 330 346 440 519 528 660 692 865 880 919 1038 1320 1384 1730 1838 1903 2076 2595 2640 2757 2768 3460 3676 3806 4152 4595 5190 5514 5709 6920 7352 7612 8304 9190 9515 10109 10380 11028 11418 13785 13840 14704 15224 18380 19030 20218 20760 22056 22836 27570 28545 30327 30448 36760 38060 40436 41520 44112 45672 50545 55140 57090 60654 73520 76120 80872 91344 101090 110280 114180 121308 151635 152240 158987 161744 202180 220560 228360 242616 303270 317974 404360 456720 476961 485232 606540 635948 794935 808720 953922 1213080 1271896 1589870 1748857 1907844 2384805 2426160 2543792 3179740 3497714 3815688 4769610 5246571 6359480 6995428 7631376 8744285 9539220 10493142 12718960 13990856 17488570 19078440 20986284 26232855 27981712 34977140 38156880 41972568 52465710 69954280 83945136 104931420 139908560 209862840 419725680