Search a number
-
+
390266725 = 5222370003
BaseRepresentation
bin10111010000101…
…111111101100101
31000012100121022011
4113100233331211
51244402013400
6102420434221
712446132602
oct2720577545
91005317264
10390266725
11190328192
12aa848971
1362b14274
1439b8d6a9
15243de8ba
hex1742ff65

390266725 has 12 divisors (see below), whose sum is σ = 486107776. Its totient is φ = 310808880.

The previous prime is 390266711. The next prime is 390266743. The reversal of 390266725 is 527662093.

It is not a de Polignac number, because 390266725 - 25 = 390266693 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, 29427 + ... + 40576.

Almost surely, 2390266725 is an apocalyptic number.

It is an amenable number.

390266725 is a deficient number, since it is larger than the sum of its proper divisors (95841051).

390266725 is a wasteful number, since it uses less digits than its factorization.

390266725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70236 (or 70231 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 390266725 is about 19755.1695765944. The cubic root of 390266725 is about 730.7808776679.

The spelling of 390266725 in words is "three hundred ninety million, two hundred sixty-six thousand, seven hundred twenty-five".

Divisors: 1 5 25 223 1115 5575 70003 350015 1750075 15610669 78053345 390266725