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23307942 = 237554951
BaseRepresentation
bin101100011101…
…0011010100110
31121212011111010
41120322122212
521431323232
62151323050
7402054120
oct130723246
947764433
1023307942
111217a669
127980486
134aa0ca8
14314a210
1520a60cc
hex163a6a6

23307942 has 16 divisors (see below), whose sum is σ = 53275392. Its totient is φ = 6659400.

The previous prime is 23307941. The next prime is 23307953. The reversal of 23307942 is 24970332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23307941) 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 7 ways as a sum of consecutive naturals, for example, 277434 + ... + 277517.

It is an arithmetic number, because the mean of its divisors is an integer number (3329712).

Almost surely, 223307942 is an apocalyptic number.

23307942 is an abundant number, since it is smaller than the sum of its proper divisors (29967450).

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

23307942 is a wasteful number, since it uses less digits than its factorization.

23307942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554963.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 23307942 is about 4827.8299472952. The cubic root of 23307942 is about 285.6502726354.

The spelling of 23307942 in words is "twenty-three million, three hundred seven thousand, nine hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 554951 1109902 1664853 3329706 3884657 7769314 11653971 23307942