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1564115052 = 223130342921
BaseRepresentation
bin101110100111010…
…1000000001101100
311001000011021111010
41131032220001230
511200403140202
6415112225220
753521521123
oct13516500154
94030137433
101564115052
117329a1875
1237799b210
131bc080286
1410ba32aba
15924b176c
hex5d3a806c

1564115052 has 12 divisors (see below), whose sum is σ = 3649601816. Its totient is φ = 521371680.

The previous prime is 1564114999. The next prime is 1564115083. The reversal of 1564115052 is 2505114651.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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, 65171449 + ... + 65171472.

Almost surely, 21564115052 is an apocalyptic number.

1564115052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1564115052 is an abundant number, since it is smaller than the sum of its proper divisors (2085486764).

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

1564115052 is a wasteful number, since it uses less digits than its factorization.

1564115052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130342928 (or 130342926 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 1564115052 is about 39548.8944472535. The cubic root of 1564115052 is about 1160.7968791214.

The spelling of 1564115052 in words is "one billion, five hundred sixty-four million, one hundred fifteen thousand, fifty-two".

Divisors: 1 2 3 4 6 12 130342921 260685842 391028763 521371684 782057526 1564115052