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232509925 = 5216755691
BaseRepresentation
bin11011101101111…
…01000111100101
3121012111201122201
431312331013211
5434010304200
635023254501
75522205334
oct1566750745
9535451581
10232509925
1110a27816a
1265a4a431
133922a84b
1422c45d1b
151562bc6a
hexddbd1e5

232509925 has 12 divisors (see below), whose sum is σ = 290043936. Its totient is φ = 184890800.

The previous prime is 232509917. The next prime is 232509929. The reversal of 232509925 is 529905232.

It is not a de Polignac number, because 232509925 - 23 = 232509917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232509929) 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, 23671 + ... + 32020.

It is an arithmetic number, because the mean of its divisors is an integer number (24170328).

Almost surely, 2232509925 is an apocalyptic number.

232509925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

232509925 is a deficient number, since it is larger than the sum of its proper divisors (57534011).

232509925 is a wasteful number, since it uses less digits than its factorization.

232509925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55868 (or 55863 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 232509925 is about 15248.2761320747. The cubic root of 232509925 is about 614.9132228235.

The spelling of 232509925 in words is "two hundred thirty-two million, five hundred nine thousand, nine hundred twenty-five".

Divisors: 1 5 25 167 835 4175 55691 278455 1392275 9300397 46501985 232509925