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229232725 = 5210498741
BaseRepresentation
bin11011010100111…
…01000001010101
3120222100020011221
431222131001111
5432140421400
634425130341
75452305661
oct1552350125
9528306157
10229232725
11108439a37
12649299b1
1338650c87
14226318a1
15151d0c1a
hexda9d055

229232725 has 12 divisors (see below), whose sum is σ = 284552100. Its totient is φ = 183190400.

The previous prime is 229232719. The next prime is 229232737. The reversal of 229232725 is 527232922.

229232725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1313316 + 227919409 = 1146^2 + 15097^2 .

It is a de Polignac number, because none of the positive numbers 2k-229232725 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21855 + ... + 30595.

It is an arithmetic number, because the mean of its divisors is an integer number (23712675).

Almost surely, 2229232725 is an apocalyptic number.

229232725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

229232725 is a deficient number, since it is larger than the sum of its proper divisors (55319375).

229232725 is a wasteful number, since it uses less digits than its factorization.

229232725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9800 (or 9795 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 229232725 is about 15140.4334482207. The cubic root of 229232725 is about 612.0104988089.

The spelling of 229232725 in words is "two hundred twenty-nine million, two hundred thirty-two thousand, seven hundred twenty-five".

Divisors: 1 5 25 1049 5245 8741 26225 43705 218525 9169309 45846545 229232725