Search a number
-
+
22483680 = 2535311511
BaseRepresentation
bin101010111000…
…1001011100000
31120022021210220
41111301023200
521223434210
62121523040
7362052042
oct125611340
946267726
1022483680
111176735a
127643480
134872a6b
142db3a92
151e91c70
hex15712e0

22483680 has 96 divisors (see below), whose sum is σ = 73156608. Its totient is φ = 5798400.

The previous prime is 22483663. The next prime is 22483687. The reversal of 22483680 is 8638422.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22483687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14125 + ... + 15635.

It is an arithmetic number, because the mean of its divisors is an integer number (762048).

Almost surely, 222483680 is an apocalyptic number.

22483680 is a gapful number since it is divisible by the number (20) 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 22483680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36578304).

22483680 is an abundant number, since it is smaller than the sum of its proper divisors (50672928).

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

22483680 is a wasteful number, since it uses less digits than its factorization.

22483680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 22483680 is about 4741.6958991483. The cubic root of 22483680 is about 282.2425356748.

The spelling of 22483680 in words is "twenty-two million, four hundred eighty-three thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 80 93 96 120 124 155 160 186 240 248 310 372 465 480 496 620 744 930 992 1240 1488 1511 1860 2480 2976 3022 3720 4533 4960 6044 7440 7555 9066 12088 14880 15110 18132 22665 24176 30220 36264 45330 46841 48352 60440 72528 90660 93682 120880 140523 145056 181320 187364 234205 241760 281046 362640 374728 468410 562092 702615 725280 749456 936820 1124184 1405230 1498912 1873640 2248368 2810460 3747280 4496736 5620920 7494560 11241840 22483680