Search a number
-
+
390425484 = 22332535457
BaseRepresentation
bin10111010001010…
…110101110001100
31000012122200002010
4113101112232030
51244422103414
6102424101220
712450363501
oct2721265614
91005580063
10390425484
11190426499
12aa904810
1362b6b5c7
1439bd14a8
1524421959
hex17456b8c

390425484 has 12 divisors (see below), whose sum is σ = 910992824. Its totient is φ = 130141824.

The previous prime is 390425461. The next prime is 390425489. The reversal of 390425484 is 484524093.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (390425489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16267717 + ... + 16267740.

Almost surely, 2390425484 is an apocalyptic number.

It is an amenable number.

390425484 is an abundant number, since it is smaller than the sum of its proper divisors (520567340).

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

390425484 is a wasteful number, since it uses less digits than its factorization.

390425484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32535464 (or 32535462 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 390425484 is about 19759.1873314668. The cubic root of 390425484 is about 730.8799571825.

The spelling of 390425484 in words is "three hundred ninety million, four hundred twenty-five thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 12 32535457 65070914 97606371 130141828 195212742 390425484