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22769964 = 2233730119
BaseRepresentation
bin101011011011…
…1000100101100
31120211211112000
41112313010230
521312114324
62132012300
7364353510
oct126670454
946754460
1022769964
1111942458
127761090
134943169
14304a140
151eeb9c9
hex15b712c

22769964 has 48 divisors (see below), whose sum is σ = 67468800. Its totient is φ = 6505488.

The previous prime is 22769951. The next prime is 22770049. The reversal of 22769964 is 46996722.

It is a super-2 number, since 2×227699642 = 1036942521122592, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14304 + ... + 15815.

It is an arithmetic number, because the mean of its divisors is an integer number (1405600).

Almost surely, 222769964 is an apocalyptic number.

It is an amenable number.

22769964 is an abundant number, since it is smaller than the sum of its proper divisors (44698836).

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

22769964 is a wasteful number, since it uses less digits than its factorization.

22769964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30139 (or 30131 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 22769964 is about 4771.7883440069. The cubic root of 22769964 is about 283.4354154271.

The spelling of 22769964 in words is "twenty-two million, seven hundred sixty-nine thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 30119 60238 90357 120476 180714 210833 271071 361428 421666 542142 632499 813213 843332 1084284 1264998 1626426 1897497 2529996 3252852 3794994 5692491 7589988 11384982 22769964