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56650505 = 579143419
BaseRepresentation
bin1101100000011…
…0101100001001
310221121010212212
43120012230021
5104000304010
65342114505
71255343552
oct330065411
9127533785
1056650505
1129a833aa
1216b7ba35
13b976512
147749329
154e90505
hex3606b09

56650505 has 8 divisors (see below), whose sum is σ = 68841600. Its totient is φ = 44746416.

The previous prime is 56650501. The next prime is 56650507. The reversal of 56650505 is 50505665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56650505 - 22 = 56650501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56650501) 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, 71315 + ... + 72104.

It is an arithmetic number, because the mean of its divisors is an integer number (8605200).

Almost surely, 256650505 is an apocalyptic number.

It is an amenable number.

56650505 is a deficient number, since it is larger than the sum of its proper divisors (12191095).

56650505 is a wasteful number, since it uses less digits than its factorization.

56650505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143503.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 56650505 is about 7526.6529745963. The cubic root of 56650505 is about 384.0619316525.

The spelling of 56650505 in words is "fifty-six million, six hundred fifty thousand, five hundred five".

Divisors: 1 5 79 395 143419 717095 11330101 56650505