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56506008 = 23313612969
BaseRepresentation
bin1101011110001…
…1011010011000
310221022210200010
43113203122120
5103431143013
65335041520
71254202356
oct327433230
9127283603
1056506008
1129994889
1216b102a0
13b925810
14770c7d6
154e627c3
hex35e3698

56506008 has 64 divisors (see below), whose sum is σ = 154677600. Its totient is φ = 17095680.

The previous prime is 56506001. The next prime is 56506031. The reversal of 56506008 is 80060565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56506001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17548 + ... + 20516.

Almost surely, 256506008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56506008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77338800).

56506008 is an abundant number, since it is smaller than the sum of its proper divisors (98171592).

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

56506008 is a wasteful number, since it uses less digits than its factorization.

56506008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052 (or 3048 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 56506008 is about 7517.0478247780. The cubic root of 56506008 is about 383.7351146316.

The spelling of 56506008 in words is "fifty-six million, five hundred six thousand, eight".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 61 78 104 122 156 183 244 312 366 488 732 793 1464 1586 2379 2969 3172 4758 5938 6344 8907 9516 11876 17814 19032 23752 35628 38597 71256 77194 115791 154388 181109 231582 308776 362218 463164 543327 724436 926328 1086654 1448872 2173308 2354417 4346616 4708834 7063251 9417668 14126502 18835336 28253004 56506008