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508945372 = 22139787411
BaseRepresentation
bin11110010101011…
…110001111011100
31022110200002210121
4132111132033130
52020242222442
6122300244324
715416651515
oct3625361734
91273602717
10508945372
11241317211
121225406a4
1381597910
144b843a0c
152ea33967
hex1e55e3dc

508945372 has 12 divisors (see below), whose sum is σ = 959166376. Its totient is φ = 234897840.

The previous prime is 508945361. The next prime is 508945441. The reversal of 508945372 is 273549805.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 4893654 + ... + 4893757.

Almost surely, 2508945372 is an apocalyptic number.

508945372 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

508945372 is a deficient number, since it is larger than the sum of its proper divisors (450221004).

508945372 is a wasteful number, since it uses less digits than its factorization.

508945372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9787428 (or 9787426 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 508945372 is about 22559.8176411069. The cubic root of 508945372 is about 798.4058734774.

The spelling of 508945372 in words is "five hundred eight million, nine hundred forty-five thousand, three hundred seventy-two".

Divisors: 1 2 4 13 26 52 9787411 19574822 39149644 127236343 254472686 508945372