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23089806 = 2334110429
BaseRepresentation
bin101100000010…
…1001010001110
31121110002021000
41120011022032
521402333211
62142521130
7400155135
oct130051216
947402230
1023089806
1112040793
1278961a6
134a2590c
1430d091c
152061656
hex160528e

23089806 has 32 divisors (see below), whose sum is σ = 52567200. Its totient is φ = 7508160.

The previous prime is 23089789. The next prime is 23089811. The reversal of 23089806 is 60898032.

It is a super-2 number, since 2×230898062 = 1066278282235272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3001 + ... + 7428.

It is an arithmetic number, because the mean of its divisors is an integer number (1642725).

Almost surely, 223089806 is an apocalyptic number.

23089806 is an abundant number, since it is smaller than the sum of its proper divisors (29477394).

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

23089806 is a wasteful number, since it uses less digits than its factorization.

23089806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10481 (or 10475 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 23089806 is about 4805.1853242097. The cubic root of 23089806 is about 284.7563568687.

The spelling of 23089806 in words is "twenty-three million, eighty-nine thousand, eight hundred six".

Divisors: 1 2 3 6 9 18 27 41 54 82 123 246 369 738 1107 2214 10429 20858 31287 62574 93861 187722 281583 427589 563166 855178 1282767 2565534 3848301 7696602 11544903 23089806