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529972090 = 25371432357
BaseRepresentation
bin11111100101101…
…011101101111010
31100221020101000221
4133211223231322
52041133101330
6124331050254
716063455064
oct3745535572
91327211027
10529972090
1125217896a
121295a098a
1385a4a46b
1450558734
15317d8b7a
hex1f96bb7a

529972090 has 16 divisors (see below), whose sum is σ = 979732872. Its totient is φ = 206259264.

The previous prime is 529972067. The next prime is 529972117. The reversal of 529972090 is 90279925.

529972090 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 463239529 + 66732561 = 21523^2 + 8169^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715809 + ... + 716548.

Almost surely, 2529972090 is an apocalyptic number.

529972090 is a deficient number, since it is larger than the sum of its proper divisors (449760782).

529972090 is a wasteful number, since it uses less digits than its factorization.

529972090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432401.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 529972090 is about 23021.1226919975. The cubic root of 529972090 is about 809.2530277680.

The spelling of 529972090 in words is "five hundred twenty-nine million, nine hundred seventy-two thousand, ninety".

Divisors: 1 2 5 10 37 74 185 370 1432357 2864714 7161785 14323570 52997209 105994418 264986045 529972090