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23097872 = 247271761
BaseRepresentation
bin101100000011…
…1001000010000
31121110111022202
41120013020100
521403112442
62143022332
7400220510
oct130071020
947414282
1023097872
1112046856
12789a9a8
134a294a5
1430d3840
152063c32
hex1607210

23097872 has 40 divisors (see below), whose sum is σ = 51401472. Its totient is φ = 9849600.

The previous prime is 23097869. The next prime is 23097881. The reversal of 23097872 is 27879032.

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, 29972 + ... + 30732.

Almost surely, 223097872 is an apocalyptic number.

It is an amenable number.

23097872 is an abundant number, since it is smaller than the sum of its proper divisors (28303600).

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

23097872 is a wasteful number, since it uses less digits than its factorization.

23097872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 23097872 is about 4806.0245525798. The cubic root of 23097872 is about 284.7895111442.

The spelling of 23097872 in words is "twenty-three million, ninety-seven thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 271 542 761 1084 1522 1897 2168 3044 3794 4336 5327 6088 7588 10654 12176 15176 21308 30352 42616 85232 206231 412462 824924 1443617 1649848 2887234 3299696 5774468 11548936 23097872