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556612705 = 5112920021
BaseRepresentation
bin100001001011010…
…011110001100001
31102210100212002101
4201023103301201
52114443101310
6131122050401
716536062365
oct4113236141
91383325071
10556612705
11266214400
121364a9a01
138b41733c
1453cd12a5
1533cec43a
hex212d3c61

556612705 has 12 divisors (see below), whose sum is σ = 734177556. Its totient is φ = 404808800.

The previous prime is 556612703. The next prime is 556612711. The reversal of 556612705 is 507216655.

It can be written as a sum of positive squares in 2 ways, for example, as 331822656 + 224790049 = 18216^2 + 14993^2 .

It is not a de Polignac number, because 556612705 - 21 = 556612703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556612703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 459406 + ... + 460615.

It is an arithmetic number, because the mean of its divisors is an integer number (61181463).

Almost surely, 2556612705 is an apocalyptic number.

556612705 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

556612705 is a deficient number, since it is larger than the sum of its proper divisors (177564851).

556612705 is a wasteful number, since it uses less digits than its factorization.

556612705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920048 (or 920037 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 556612705 is about 23592.6409077068. The cubic root of 556612705 is about 822.5917919993.

The spelling of 556612705 in words is "five hundred fifty-six million, six hundred twelve thousand, seven hundred five".

Divisors: 1 5 11 55 121 605 920021 4600105 10120231 50601155 111322541 556612705