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235712525 = 529428501
BaseRepresentation
bin11100000110010…
…11000000001101
3121102112102210112
432003023000031
5440320300100
635220045405
75561344346
oct1603130015
9542472715
10235712525
11111065344
1266b33865
1339aac489
142343b0cd
1515a60b35
hexe0cb00d

235712525 has 6 divisors (see below), whose sum is σ = 292283562. Its totient is φ = 188570000.

The previous prime is 235712489. The next prime is 235712539. The reversal of 235712525 is 525217532.

It can be written as a sum of positive squares in 3 ways, for example, as 40998409 + 194714116 = 6403^2 + 13954^2 .

It is not a de Polignac number, because 235712525 - 216 = 235646989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 235712491 and 235712500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4714226 + ... + 4714275.

It is an arithmetic number, because the mean of its divisors is an integer number (48713927).

Almost surely, 2235712525 is an apocalyptic number.

235712525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

235712525 is a deficient number, since it is larger than the sum of its proper divisors (56571037).

235712525 is an equidigital number, since it uses as much as digits as its factorization.

235712525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9428511 (or 9428506 counting only the distinct ones).

The product of its digits is 21000, while the sum is 32.

The square root of 235712525 is about 15352.9321303782. The cubic root of 235712525 is about 617.7236373549.

The spelling of 235712525 in words is "two hundred thirty-five million, seven hundred twelve thousand, five hundred twenty-five".

Divisors: 1 5 25 9428501 47142505 235712525