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23268738 = 236076389
BaseRepresentation
bin101100011000…
…0110110000010
31121210011201010
41120300312002
521424044423
62150421350
7401531613
oct130606602
947704633
1023268738
1112153169
127961856
134a891ac
143139c0a
152099693
hex1630d82

23268738 has 16 divisors (see below), whose sum is σ = 46621440. Its totient is φ = 7742256.

The previous prime is 23268731. The next prime is 23268743. The reversal of 23268738 is 83786232.

It is a happy number.

It is a super-2 number, since 2×232687382 = 1082868336225288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23268696 and 23268705.

It is not an unprimeable number, because it can be changed into a prime (23268731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448 + ... + 6836.

It is an arithmetic number, because the mean of its divisors is an integer number (2913840).

Almost surely, 223268738 is an apocalyptic number.

23268738 is an abundant number, since it is smaller than the sum of its proper divisors (23352702).

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

23268738 is a wasteful number, since it uses less digits than its factorization.

23268738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7001.

The product of its digits is 96768, while the sum is 39.

The square root of 23268738 is about 4823.7680292485. The cubic root of 23268738 is about 285.4900280019.

The spelling of 23268738 in words is "twenty-three million, two hundred sixty-eight thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 607 1214 1821 3642 6389 12778 19167 38334 3878123 7756246 11634369 23268738