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23916942 = 2327189817
BaseRepresentation
bin101101100111…
…1000110001110
31200000002212200
41123033012032
522110320232
62212342330
7410201460
oct133170616
950002780
1023916942
1112556175
1280149a6
134c5524a
143268130
15217677c
hex16cf18e

23916942 has 24 divisors (see below), whose sum is σ = 59223216. Its totient is φ = 6833376.

The previous prime is 23916931. The next prime is 23916979. The reversal of 23916942 is 24961932.

It is a super-2 number, since 2×239169422 = 1144040229262728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23916897 and 23916906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94783 + ... + 95034.

It is an arithmetic number, because the mean of its divisors is an integer number (2467634).

Almost surely, 223916942 is an apocalyptic number.

23916942 is an abundant number, since it is smaller than the sum of its proper divisors (35306274).

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

23916942 is a wasteful number, since it uses less digits than its factorization.

23916942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189832 (or 189829 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 23916942 is about 4890.4950669641. The cubic root of 23916942 is about 288.1167784524.

The spelling of 23916942 in words is "twenty-three million, nine hundred sixteen thousand, nine hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 189817 379634 569451 1138902 1328719 1708353 2657438 3416706 3986157 7972314 11958471 23916942