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7952725 = 52113239
BaseRepresentation
bin11110010101100101010101
3112222001002101
4132111211111
54013441400
6442242101
7124411534
oct36254525
915861071
107952725
114542000
1227b6331
131855a71
1410b031b
15a7156a
hex795955

7952725 has 24 divisors (see below), whose sum is σ = 10892160. Its totient is φ = 5759600.

The previous prime is 7952701. The next prime is 7952761. The reversal of 7952725 is 5272597.

7952725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7952725 - 213 = 7944533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33156 + ... + 33394.

It is an arithmetic number, because the mean of its divisors is an integer number (453840).

Almost surely, 27952725 is an apocalyptic number.

It is an amenable number.

7952725 is a deficient number, since it is larger than the sum of its proper divisors (2939435).

7952725 is a wasteful number, since it uses less digits than its factorization.

7952725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 255 counting only the distinct ones).

The product of its digits is 44100, while the sum is 37.

The square root of 7952725 is about 2820.0576235247. The cubic root of 7952725 is about 199.6052630931.

The spelling of 7952725 in words is "seven million, nine hundred fifty-two thousand, seven hundred twenty-five".

Divisors: 1 5 11 25 55 121 239 275 605 1195 1331 2629 3025 5975 6655 13145 28919 33275 65725 144595 318109 722975 1590545 7952725