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2056540760 = 23551413519
BaseRepresentation
bin111101010010100…
…0101001001011000
312022022202002120022
41322211011021120
513202433301020
6540022450012
7101651210441
oct17245051130
95268662508
102056540760
1196595556a
12494893908
1326a0b2931
141571b62c8
15c0830625
hex7a945258

2056540760 has 16 divisors (see below), whose sum is σ = 4627216800. Its totient is φ = 822616288.

The previous prime is 2056540741. The next prime is 2056540769. The reversal of 2056540760 is 670456502.

It is a self number, because there is not a number n which added to its sum of digits gives 2056540760.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056540769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25706720 + ... + 25706799.

It is an arithmetic number, because the mean of its divisors is an integer number (289201050).

Almost surely, 22056540760 is an apocalyptic number.

2056540760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056540760 is an abundant number, since it is smaller than the sum of its proper divisors (2570676040).

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

2056540760 is a wasteful number, since it uses less digits than its factorization.

2056540760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51413530 (or 51413526 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 2056540760 is about 45349.0987782558. The cubic root of 2056540760 is about 1271.6837072709.

The spelling of 2056540760 in words is "two billion, fifty-six million, five hundred forty thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 51413519 102827038 205654076 257067595 411308152 514135190 1028270380 2056540760