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247130564 = 22177274999
BaseRepresentation
bin11101011101011…
…10100111000100
3122020000112101212
432232232213010
51001231134224
640304510552
76060401162
oct1656564704
9566015355
10247130564
1111755393a
126a91b458
133c279605
1424b70232
1516a68d0e
hexebae9c4

247130564 has 24 divisors (see below), whose sum is σ = 458640000. Its totient is φ = 116113536.

The previous prime is 247130551. The next prime is 247130567. The reversal of 247130564 is 465031742.

247130564 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2471305642 = 122147031325916192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 247130564.

It is not an unprimeable number, because it can be changed into a prime (247130567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46937 + ... + 51935.

It is an arithmetic number, because the mean of its divisors is an integer number (19110000).

Almost surely, 2247130564 is an apocalyptic number.

It is an amenable number.

247130564 is a deficient number, since it is larger than the sum of its proper divisors (211509436).

247130564 is a wasteful number, since it uses less digits than its factorization.

247130564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5747 (or 5745 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 247130564 is about 15720.3868909133. The cubic root of 247130564 is about 627.5410693585.

The spelling of 247130564 in words is "two hundred forty-seven million, one hundred thirty thousand, five hundred sixty-four".

Divisors: 1 2 4 17 34 68 727 1454 2908 4999 9998 12359 19996 24718 49436 84983 169966 339932 3634273 7268546 14537092 61782641 123565282 247130564