Search a number
-
+
120416520 = 23357220479
BaseRepresentation
bin1110010110101…
…10100100001000
322101120210102010
413023112210020
5221311312040
615540535520
72661344400
oct713264410
9271523363
10120416520
1161a76794
12343b15a0
131bc416a3
1411dc7800
15a888e80
hex72d6908

120416520 has 96 divisors (see below), whose sum is σ = 420249600. Its totient is φ = 27522432.

The previous prime is 120416473. The next prime is 120416521. The reversal of 120416520 is 25614021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (120416521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4360 + ... + 16119.

It is an arithmetic number, because the mean of its divisors is an integer number (4377600).

Almost surely, 2120416520 is an apocalyptic number.

120416520 is a gapful number since it is divisible by the number (10) 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 120416520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210124800).

120416520 is an abundant number, since it is smaller than the sum of its proper divisors (299833080).

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

120416520 is a wasteful number, since it uses less digits than its factorization.

120416520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20507 (or 20496 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 120416520 is about 10973.4461314575. The cubic root of 120416520 is about 493.8124373319.

The spelling of 120416520 in words is "one hundred twenty million, four hundred sixteen thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 56 60 70 84 98 105 120 140 147 168 196 210 245 280 294 392 420 490 588 735 840 980 1176 1470 1960 2940 5880 20479 40958 61437 81916 102395 122874 143353 163832 204790 245748 286706 307185 409580 430059 491496 573412 614370 716765 819160 860118 1003471 1146824 1228740 1433530 1720236 2006942 2150295 2457480 2867060 3010413 3440472 4013884 4300590 5017355 5734120 6020826 8027768 8601180 10034710 12041652 15052065 17202360 20069420 24083304 30104130 40138840 60208260 120416520