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56807480 = 2354493163
BaseRepresentation
bin1101100010110…
…1000000111000
310221220010012202
43120231000320
5104020314410
65345325332
71256566322
oct330550070
9127803182
1056807480
112a080334
1217036848
13b9ccac2
14778a612
154ec1ca5
hex362d038

56807480 has 32 divisors (see below), whose sum is σ = 128142000. Its totient is φ = 22665216.

The previous prime is 56807479. The next prime is 56807483. The reversal of 56807480 is 8470865.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56807483) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16379 + ... + 19541.

Almost surely, 256807480 is an apocalyptic number.

It is an amenable number.

56807480 is an abundant number, since it is smaller than the sum of its proper divisors (71334520).

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

56807480 is a wasteful number, since it uses less digits than its factorization.

56807480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623 (or 3619 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 56807480 is about 7537.0737027045. The cubic root of 56807480 is about 384.4163416877.

The spelling of 56807480 in words is "fifty-six million, eight hundred seven thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 449 898 1796 2245 3163 3592 4490 6326 8980 12652 15815 17960 25304 31630 63260 126520 1420187 2840374 5680748 7100935 11361496 14201870 28403740 56807480