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557320677 = 3377170717
BaseRepresentation
bin100001001110000…
…000100111100101
31102211200211020120
4201032000213211
52120133230202
6131145152153
716545101424
oct4116004745
91384624216
10557320677
11266658301
1213678b659
138b604664
14540372bb
1533ddc0bc
hex213809e5

557320677 has 16 divisors (see below), whose sum is σ = 773937792. Its totient is φ = 356408640.

The previous prime is 557320663. The next prime is 557320679. The reversal of 557320677 is 776023755.

It is not a de Polignac number, because 557320677 - 212 = 557316581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557320679) 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, 27478 + ... + 43239.

It is an arithmetic number, because the mean of its divisors is an integer number (48371112).

Almost surely, 2557320677 is an apocalyptic number.

It is an amenable number.

557320677 is a deficient number, since it is larger than the sum of its proper divisors (216617115).

557320677 is a wasteful number, since it uses less digits than its factorization.

557320677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70828.

The product of its (nonzero) digits is 308700, while the sum is 42.

The square root of 557320677 is about 23607.6402251475. The cubic root of 557320677 is about 822.9404037679.

The spelling of 557320677 in words is "five hundred fifty-seven million, three hundred twenty thousand, six hundred seventy-seven".

Divisors: 1 3 37 71 111 213 2627 7881 70717 212151 2616529 5020907 7849587 15062721 185773559 557320677