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23076172 = 2271097561
BaseRepresentation
bin101100000000…
…1110101001100
31121102101120001
41120001311030
521401414142
62142334044
7400100320
oct130016514
947371501
1023076172
1112031519
12788a324
134a1c652
1430c9980
15205c5b7
hex1601d4c

23076172 has 24 divisors (see below), whose sum is σ = 46581920. Its totient is φ = 9797760.

The previous prime is 23076169. The next prime is 23076181. The reversal of 23076172 is 27167032.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 23076172.

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, 729 + ... + 6832.

Almost surely, 223076172 is an apocalyptic number.

It is an amenable number.

23076172 is an abundant number, since it is smaller than the sum of its proper divisors (23505748).

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

23076172 is a wasteful number, since it uses less digits than its factorization.

23076172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7681 (or 7679 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 23076172 is about 4803.7664389518. The cubic root of 23076172 is about 284.7002984712.

The spelling of 23076172 in words is "twenty-three million, seventy-six thousand, one hundred seventy-two".

Divisors: 1 2 4 7 14 28 109 218 436 763 1526 3052 7561 15122 30244 52927 105854 211708 824149 1648298 3296596 5769043 11538086 23076172