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23147232 = 253241117
BaseRepresentation
bin101100001001…
…1001011100000
31121120000000220
41120103023200
521411202412
62144043040
7400514433
oct130231340
947500026
1023147232
111207a949
127903480
134a45ab4
14310781a
15207368c
hex16132e0

23147232 has 24 divisors (see below), whose sum is σ = 60761736. Its totient is φ = 7715712.

The previous prime is 23147231. The next prime is 23147233. The reversal of 23147232 is 23274132.

It is an interprime number because it is at equal distance from previous prime (23147231) and next prime (23147233).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23147231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120463 + ... + 120654.

It is an arithmetic number, because the mean of its divisors is an integer number (2531739).

Almost surely, 223147232 is an apocalyptic number.

It is an amenable number.

23147232 is an abundant number, since it is smaller than the sum of its proper divisors (37614504).

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

23147232 is a wasteful number, since it uses less digits than its factorization.

23147232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241130 (or 241122 counting only the distinct ones).

The product of its digits is 2016, while the sum is 24.

The square root of 23147232 is about 4811.1570333964. The cubic root of 23147232 is about 284.9922312441.

The spelling of 23147232 in words is "twenty-three million, one hundred forty-seven thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 241117 482234 723351 964468 1446702 1928936 2893404 3857872 5786808 7715744 11573616 23147232