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232012525 = 5231299371
BaseRepresentation
bin11011101010000…
…11101011101101
3121011120110100111
431311003223231
5433343400100
635004500021
75515034233
oct1565035355
9534513314
10232012525
11109a68498
126584a611
13390b5324
1422b56953
151557e6ba
hexdd43aed

232012525 has 12 divisors (see below), whose sum is σ = 296977024. Its totient is φ = 179622000.

The previous prime is 232012511. The next prime is 232012537. The reversal of 232012525 is 525210232.

It is not a de Polignac number, because 232012525 - 215 = 231979757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232012496 and 232012505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148911 + ... + 150460.

Almost surely, 2232012525 is an apocalyptic number.

232012525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

232012525 is a deficient number, since it is larger than the sum of its proper divisors (64964499).

232012525 is a wasteful number, since it uses less digits than its factorization.

232012525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299412 (or 299407 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 232012525 is about 15231.9573594466. The cubic root of 232012525 is about 614.4744226302.

Adding to 232012525 its reverse (525210232), we get a palindrome (757222757).

The spelling of 232012525 in words is "two hundred thirty-two million, twelve thousand, five hundred twenty-five".

Divisors: 1 5 25 31 155 775 299371 1496855 7484275 9280501 46402505 232012525