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23881272 = 233995053
BaseRepresentation
bin101101100011…
…0011000111000
31122221021221120
41123012120320
522103200042
62211505240
7406662462
oct133063070
948837846
1023881272
1112531398
127bb8220
134c41c3c
143259132
15216adec
hex16c6638

23881272 has 16 divisors (see below), whose sum is σ = 59703240. Its totient is φ = 7960416.

The previous prime is 23881261. The next prime is 23881283. The reversal of 23881272 is 27218832.

It is an interprime number because it is at equal distance from previous prime (23881261) and next prime (23881283).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497503 + ... + 497550.

Almost surely, 223881272 is an apocalyptic number.

It is an amenable number.

23881272 is an abundant number, since it is smaller than the sum of its proper divisors (35821968).

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

23881272 is a wasteful number, since it uses less digits than its factorization.

23881272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995062 (or 995058 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 23881272 is about 4886.8468361511. The cubic root of 23881272 is about 287.9734736371.

The spelling of 23881272 in words is "twenty-three million, eight hundred eighty-one thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 995053 1990106 2985159 3980212 5970318 7960424 11940636 23881272