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613868064 = 2536394459
BaseRepresentation
bin100100100101101…
…110001000100000
31120210002201200020
4210211232020200
52224122234224
6140525153440
721132535545
oct4445561040
91523081606
10613868064
11295570187
121516bb880
139a242c54
145b756bcc
1538d5bc79
hex2496e220

613868064 has 24 divisors (see below), whose sum is σ = 1611403920. Its totient is φ = 204622656.

The previous prime is 613868051. The next prime is 613868077. The reversal of 613868064 is 460868316.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (613868051) and next prime (613868077).

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3197134 + ... + 3197325.

It is an arithmetic number, because the mean of its divisors is an integer number (67141830).

Almost surely, 2613868064 is an apocalyptic number.

It is an amenable number.

613868064 is an abundant number, since it is smaller than the sum of its proper divisors (997535856).

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

613868064 is a wasteful number, since it uses less digits than its factorization.

613868064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394472 (or 6394464 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 613868064 is about 24776.3609918810. The cubic root of 613868064 is about 849.8814432109.

The spelling of 613868064 in words is "six hundred thirteen million, eight hundred sixty-eight thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 6394459 12788918 19183377 25577836 38366754 51155672 76733508 102311344 153467016 204622688 306934032 613868064