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2715047240 = 235337201413
BaseRepresentation
bin1010000111010100…
…0101010101001000
321000012211200122012
42201311011111020
521030023002430
61125224515052
7124165343423
oct24165052510
97005750565
102715047240
1111736341a4
1263931ba88
13343654739
141ba82c9ba
1510d558695
hexa1d45548

2715047240 has 32 divisors (see below), whose sum is σ = 6127013880. Its totient is φ = 1082790912.

The previous prime is 2715047233. The next prime is 2715047243. The reversal of 2715047240 is 427405172.

It can be written as a sum of positive squares in 4 ways, for example, as 2187058756 + 527988484 = 46766^2 + 22978^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2715047197 and 2715047206.

It is not an unprimeable number, because it can be changed into a prime (2715047243) 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 7 ways as a sum of consecutive naturals, for example, 87227 + ... + 114186.

Almost surely, 22715047240 is an apocalyptic number.

2715047240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2715047240 is an abundant number, since it is smaller than the sum of its proper divisors (3411966640).

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

2715047240 is a wasteful number, since it uses less digits than its factorization.

2715047240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201761 (or 201757 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 2715047240 is about 52106.1151881427. The cubic root of 2715047240 is about 1395.0586410090.

The spelling of 2715047240 in words is "two billion, seven hundred fifteen million, forty-seven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 337 674 1348 1685 2696 3370 6740 13480 201413 402826 805652 1007065 1611304 2014130 4028260 8056520 67876181 135752362 271504724 339380905 543009448 678761810 1357523620 2715047240