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551292930 = 232513214637
BaseRepresentation
bin100000110111000…
…001000000000010
31102102100120201200
4200313001000002
52112112333210
6130412042030
716442625006
oct4067010002
91372316650
10551292930
112632105a1
12134763316
138a2a3b46
1453308706
15335eb0c0
hex20dc1002

551292930 has 48 divisors (see below), whose sum is σ = 1434756024. Its totient is φ = 146868480.

The previous prime is 551292913. The next prime is 551292947. The reversal of 551292930 is 39292155.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (551292913) and next prime (551292947).

It can be written as a sum of positive squares in 4 ways, for example, as 490312449 + 60980481 = 22143^2 + 7809^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116572 + ... + 121208.

Almost surely, 2551292930 is an apocalyptic number.

551292930 is an abundant number, since it is smaller than the sum of its proper divisors (883463094).

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

551292930 is a wasteful number, since it uses less digits than its factorization.

551292930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5971 (or 5968 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 551292930 is about 23479.6279783135. The cubic root of 551292930 is about 819.9627833595.

The spelling of 551292930 in words is "five hundred fifty-one million, two hundred ninety-two thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1321 2642 3963 4637 6605 7926 9274 11889 13210 13911 19815 23185 23778 27822 39630 41733 46370 59445 69555 83466 118890 139110 208665 417330 6125477 12250954 18376431 30627385 36752862 55129293 61254770 91882155 110258586 183764310 275646465 551292930