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23026656 = 2531311831
BaseRepresentation
bin101011111010…
…1101111100000
31121022212122010
41113311233200
521343323111
62141312520
7366503052
oct127655740
947285563
1023026656
1111aa82a4
127865740
134a02c53
1430b58d2
15204caa6
hex15f5be0

23026656 has 48 divisors (see below), whose sum is σ = 60939648. Its totient is φ = 7612800.

The previous prime is 23026631. The next prime is 23026699. The reversal of 23026656 is 65662032.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11661 + ... + 13491.

It is an arithmetic number, because the mean of its divisors is an integer number (1269576).

Almost surely, 223026656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23026656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30469824).

23026656 is an abundant number, since it is smaller than the sum of its proper divisors (37912992).

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

23026656 is a wasteful number, since it uses less digits than its factorization.

23026656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975 (or 1967 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 23026656 is about 4798.6097986813. The cubic root of 23026656 is about 284.4965195094.

Adding to 23026656 its reverse (65662032), we get a palindrome (88688688).

The spelling of 23026656 in words is "twenty-three million, twenty-six thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 131 262 393 524 786 1048 1572 1831 2096 3144 3662 4192 5493 6288 7324 10986 12576 14648 21972 29296 43944 58592 87888 175776 239861 479722 719583 959444 1439166 1918888 2878332 3837776 5756664 7675552 11513328 23026656