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23457072 = 243488689
BaseRepresentation
bin101100101111…
…0110100110000
31122010202001110
41121132310300
522001111242
62154433320
7403244652
oct131366460
948122043
1023457072
1112271711
127a32840
134b23b32
1431886d2
1520d539c
hex165ed30

23457072 has 20 divisors (see below), whose sum is σ = 60597560. Its totient is φ = 7819008.

The previous prime is 23457061. The next prime is 23457097. The reversal of 23457072 is 27075432.

It is an unprimeable number.

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, 244297 + ... + 244392.

It is an arithmetic number, because the mean of its divisors is an integer number (3029878).

Almost surely, 223457072 is an apocalyptic number.

It is an amenable number.

23457072 is an abundant number, since it is smaller than the sum of its proper divisors (37140488).

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

23457072 is a wasteful number, since it uses less digits than its factorization.

23457072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488700 (or 488694 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 23457072 is about 4843.2501484024. The cubic root of 23457072 is about 286.2581983757.

The spelling of 23457072 in words is "twenty-three million, four hundred fifty-seven thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 488689 977378 1466067 1954756 2932134 3909512 5864268 7819024 11728536 23457072