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232015 = 572947
BaseRepresentation
bin111000101001001111
3102210021011
4320221033
524411030
64550051
71654300
oct705117
9383234
10232015
11149353
12b2327
13817b4
14607a7
1548b2a
hex38a4f

232015 has 12 divisors (see below), whose sum is σ = 324216. Its totient is φ = 158928.

The previous prime is 232013. The next prime is 232049. The reversal of 232015 is 510232.

It is not a de Polignac number, because 232015 - 21 = 232013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231986 and 232004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229 + ... + 718.

It is an arithmetic number, because the mean of its divisors is an integer number (27018).

2232015 is an apocalyptic number.

232015 is a deficient number, since it is larger than the sum of its proper divisors (92201).

232015 is an equidigital number, since it uses as much as digits as its factorization.

232015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 232015 is about 481.6793539275. The cubic root of 232015 is about 61.4476607597.

Adding to 232015 its reverse (510232), we get a palindrome (742247).

The spelling of 232015 in words is "two hundred thirty-two thousand, fifteen".

Divisors: 1 5 7 35 49 245 947 4735 6629 33145 46403 232015