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23047432 = 2315119079
BaseRepresentation
bin101011111101…
…0110100001000
31121100221010121
41113322310020
521400004212
62141553024
7366620452
oct127726410
947327117
1023047432
1112011971
127875774
134a0c545
1430bd2d2
152053d07
hex15fad08

23047432 has 16 divisors (see below), whose sum is σ = 43502400. Its totient is φ = 11446800.

The previous prime is 23047417. The next prime is 23047433. The reversal of 23047432 is 23474032.

It is a junction number, because it is equal to n+sod(n) for n = 23047397 and 23047406.

It is not an unprimeable number, because it can be changed into a prime (23047433) 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 3 ways as a sum of consecutive naturals, for example, 8332 + ... + 10747.

It is an arithmetic number, because the mean of its divisors is an integer number (2718900).

Almost surely, 223047432 is an apocalyptic number.

It is an amenable number.

23047432 is a deficient number, since it is larger than the sum of its proper divisors (20454968).

23047432 is a wasteful number, since it uses less digits than its factorization.

23047432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19236 (or 19232 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 23047432 is about 4800.7741042461. The cubic root of 23047432 is about 284.5820569393.

The spelling of 23047432 in words is "twenty-three million, forty-seven thousand, four hundred thirty-two".

Divisors: 1 2 4 8 151 302 604 1208 19079 38158 76316 152632 2880929 5761858 11523716 23047432