Search a number
-
+
390134264 = 23133751291
BaseRepresentation
bin10111010000001…
…111100111111000
31000012002212121012
4113100033213320
51244333244024
6102413533052
712445041452
oct2720174770
91005085535
10390134264
11190247713
12aa7a4188
1362a98ba0
1439b572d2
15243b550e
hex1740f9f8

390134264 has 16 divisors (see below), whose sum is σ = 787771320. Its totient is φ = 180061920.

The previous prime is 390134249. The next prime is 390134317. The reversal of 390134264 is 462431093.

It is a self number, because there is not a number n which added to its sum of digits gives 390134264.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875542 + ... + 1875749.

Almost surely, 2390134264 is an apocalyptic number.

It is an amenable number.

390134264 is an abundant number, since it is smaller than the sum of its proper divisors (397637056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

390134264 is a wasteful number, since it uses less digits than its factorization.

390134264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751310 (or 3751306 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 390134264 is about 19751.8167265697. The cubic root of 390134264 is about 730.6981898433.

The spelling of 390134264 in words is "three hundred ninety million, one hundred thirty-four thousand, two hundred sixty-four".

Divisors: 1 2 4 8 13 26 52 104 3751291 7502582 15005164 30010328 48766783 97533566 195067132 390134264