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23895372 = 2231991281
BaseRepresentation
bin101101100100…
…1110101001100
31122222000021210
41123021311030
522104122442
62212054420
7410051544
oct133116514
948860253
1023895372
1112540a46
128004410
134c48497
143260324
15217019c
hex16c9d4c

23895372 has 12 divisors (see below), whose sum is σ = 55755896. Its totient is φ = 7965120.

The previous prime is 23895371. The next prime is 23895373. The reversal of 23895372 is 27359832.

It is an interprime number because it is at equal distance from previous prime (23895371) and next prime (23895373).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 23895372.

It is not an unprimeable number, because it can be changed into a prime (23895371) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 995629 + ... + 995652.

Almost surely, 223895372 is an apocalyptic number.

It is an amenable number.

23895372 is an abundant number, since it is smaller than the sum of its proper divisors (31860524).

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

23895372 is a wasteful number, since it uses less digits than its factorization.

23895372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991288 (or 1991286 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 23895372 is about 4888.2892713095. The cubic root of 23895372 is about 288.0301376640.

The spelling of 23895372 in words is "twenty-three million, eight hundred ninety-five thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 1991281 3982562 5973843 7965124 11947686 23895372