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529289028 = 223214702473
BaseRepresentation
bin11111100011000…
…100111101000100
31100212221200001100
4133203010331010
52040444222103
6124304300100
716054611462
oct3743047504
91325850040
10529289028
11251851754
12129311630
138586b598
145041b832
15317015a3
hex1f8c4f44

529289028 has 18 divisors (see below), whose sum is σ = 1337925134. Its totient is φ = 176429664.

The previous prime is 529289003. The next prime is 529289051. The reversal of 529289028 is 820982925.

It can be written as a sum of positive squares in only one way, i.e., 299220804 + 230068224 = 17298^2 + 15168^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×5292890282 = 560293750322369568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7351201 + ... + 7351272.

Almost surely, 2529289028 is an apocalyptic number.

It is an amenable number.

529289028 is an abundant number, since it is smaller than the sum of its proper divisors (808636106).

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

529289028 is a wasteful number, since it uses less digits than its factorization.

529289028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14702483 (or 14702478 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 529289028 is about 23006.2823593904. The cubic root of 529289028 is about 808.9052059021.

The spelling of 529289028 in words is "five hundred twenty-nine million, two hundred eighty-nine thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 14702473 29404946 44107419 58809892 88214838 132322257 176429676 264644514 529289028