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379623725 = 52137316001
BaseRepresentation
bin10110101000001…
…001100100101101
3222110022212211222
4112220021210231
51234140424400
6101400353125
712256514465
oct2650114455
9873285758
10379623725
11185318a18
12a71757a5
1360858b30
14385bcba5
15234db185
hex16a0992d

379623725 has 24 divisors (see below), whose sum is σ = 513920232. Its totient is φ = 276480000.

The previous prime is 379623689. The next prime is 379623733. The reversal of 379623725 is 527326973.

It can be written as a sum of positive squares in 12 ways, for example, as 87965641 + 291658084 = 9379^2 + 17078^2 .

It is not a de Polignac number, because 379623725 - 26 = 379623661 is a prime.

It is a super-2 number, since 2×3796237252 = 288228345165751250, which contains 22 as substring.

It is a Duffinian number.

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, 15725 + ... + 31725.

It is an arithmetic number, because the mean of its divisors is an integer number (21413343).

Almost surely, 2379623725 is an apocalyptic number.

It is an amenable number.

379623725 is a deficient number, since it is larger than the sum of its proper divisors (134296507).

379623725 is a wasteful number, since it uses less digits than its factorization.

379623725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16097 (or 16092 counting only the distinct ones).

The product of its digits is 476280, while the sum is 44.

The square root of 379623725 is about 19483.9350491629. The cubic root of 379623725 is about 724.0764935763.

It can be divided in two parts, 3796 and 23725, that multiplied together give a square (90060100 = 94902).

The spelling of 379623725 in words is "three hundred seventy-nine million, six hundred twenty-three thousand, seven hundred twenty-five".

Divisors: 1 5 13 25 65 73 325 365 949 1825 4745 16001 23725 80005 208013 400025 1040065 1168073 5200325 5840365 15184949 29201825 75924745 379623725