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52990284 = 22331181787
BaseRepresentation
bin1100101000100…
…1000101001100
310200201012000010
43022021011030
5102031142114
65131433220
71212260424
oct312110514
9120635003
1052990284
1127a03426
12158b5810
13ac944c9
147075484
1549bac59
hex328914c

52990284 has 48 divisors (see below), whose sum is σ = 128500736. Its totient is φ = 16977600.

The previous prime is 52990283. The next prime is 52990313. The reversal of 52990284 is 48209925.

It is not an unprimeable number, because it can be changed into a prime (52990283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66939 + ... + 67725.

Almost surely, 252990284 is an apocalyptic number.

It is an amenable number.

52990284 is an abundant number, since it is smaller than the sum of its proper divisors (75510452).

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

52990284 is a wasteful number, since it uses less digits than its factorization.

52990284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 52990284 is about 7279.4425610757. The cubic root of 52990284 is about 375.6056205147.

The spelling of 52990284 in words is "fifty-two million, nine hundred ninety thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 31 62 93 124 181 186 362 372 543 724 787 1086 1574 2172 2361 3148 4722 5611 9444 11222 16833 22444 24397 33666 48794 67332 73191 97588 142447 146382 284894 292764 427341 569788 854682 1709364 4415857 8831714 13247571 17663428 26495142 52990284