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556007660 = 225132138491
BaseRepresentation
bin100001001001000…
…000000011101100
31102202020010010022
4201021000003230
52114314221120
6131101101312
716530662405
oct4111000354
91382203108
10556007660
1126594086a
12136257838
138b264b20
1453bb49ac
1533c2d025
hex212400ec

556007660 has 24 divisors (see below), whose sum is σ = 1257433296. Its totient is φ = 205295040.

The previous prime is 556007657. The next prime is 556007663. The reversal of 556007660 is 66700655.

It is an interprime number because it is at equal distance from previous prime (556007657) and next prime (556007663).

It is a self number, because there is not a number n which added to its sum of digits gives 556007660.

It is not an unprimeable number, because it can be changed into a prime (556007663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1068986 + ... + 1069505.

It is an arithmetic number, because the mean of its divisors is an integer number (52393054).

Almost surely, 2556007660 is an apocalyptic number.

It is an amenable number.

556007660 is an abundant number, since it is smaller than the sum of its proper divisors (701425636).

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

556007660 is a wasteful number, since it uses less digits than its factorization.

556007660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138513 (or 2138511 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 556007660 is about 23579.8146727238. The cubic root of 556007660 is about 822.2936280680.

The spelling of 556007660 in words is "five hundred fifty-six million, seven thousand, six hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 2138491 4276982 8553964 10692455 21384910 27800383 42769820 55600766 111201532 139001915 278003830 556007660