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235131725 = 5214536473
BaseRepresentation
bin11100000001111…
…01001101001101
3121101102221002102
432000331031031
5440143203400
635155404445
75553405143
oct1600751515
9541387072
10235131725
111107a8a44
12668b3725
1339937cca
1423329593
15159989d5
hexe03d34d

235131725 has 12 divisors (see below), whose sum is σ = 291809076. Its totient is φ = 187946880.

The previous prime is 235131719. The next prime is 235131733. The reversal of 235131725 is 527131532.

235131725 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 169 + 235131556 = 13^2 + 15334^2 .

It is not a de Polignac number, because 235131725 - 26 = 235131661 is a prime.

It is a Duffinian number.

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, 33089 + ... + 39561.

It is an arithmetic number, because the mean of its divisors is an integer number (24317423).

Almost surely, 2235131725 is an apocalyptic number.

235131725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

235131725 is a deficient number, since it is larger than the sum of its proper divisors (56677351).

235131725 is a wasteful number, since it uses less digits than its factorization.

235131725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7936 (or 7931 counting only the distinct ones).

The product of its digits is 6300, while the sum is 29.

The square root of 235131725 is about 15334.0055106290. The cubic root of 235131725 is about 617.2158592641.

The spelling of 235131725 in words is "two hundred thirty-five million, one hundred thirty-one thousand, seven hundred twenty-five".

Divisors: 1 5 25 1453 6473 7265 32365 36325 161825 9405269 47026345 235131725