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2560234660 = 225612098553
BaseRepresentation
bin1001100010011010…
…0001010010100100
320121102112101200221
42120212201102210
520220410002120
61102014414124
7120305430664
oct23046412244
96542471627
102560234660
1110a4205215
125b5501344
1331a55c169
141a40501a4
15eeb780aa
hex989a14a4

2560234660 has 24 divisors (see below), whose sum is σ = 5464634616. Its totient is φ = 1007304960.

The previous prime is 2560234657. The next prime is 2560234661. The reversal of 2560234660 is 664320652.

It can be written as a sum of positive squares in 4 ways, for example, as 357058816 + 2203175844 = 18896^2 + 46938^2 .

It is not an unprimeable number, because it can be changed into a prime (2560234661) 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, 1048057 + ... + 1050496.

It is an arithmetic number, because the mean of its divisors is an integer number (227693109).

Almost surely, 22560234660 is an apocalyptic number.

2560234660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2560234660 is an abundant number, since it is smaller than the sum of its proper divisors (2904399956).

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

2560234660 is a wasteful number, since it uses less digits than its factorization.

2560234660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098623 (or 2098621 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 2560234660 is about 50598.7614472924. The cubic root of 2560234660 is about 1368.0225542888.

The spelling of 2560234660 in words is "two billion, five hundred sixty million, two hundred thirty-four thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 2098553 4197106 8394212 10492765 20985530 41971060 128011733 256023466 512046932 640058665 1280117330 2560234660