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2056642525 = 52711939851
BaseRepresentation
bin111101010010101…
…1101111111011101
312022022221021011101
41322211131333131
513203000030100
6540024553101
7101652113230
oct17245357735
95268837141
102056642525
11965a14a73
12494922791
1326a11a052
14157201417
15c085086a
hex7a95dfdd

2056642525 has 24 divisors (see below), whose sum is σ = 2917295424. Its totient is φ = 1408944000.

The previous prime is 2056642487. The next prime is 2056642529. The reversal of 2056642525 is 5252466502.

It is not a de Polignac number, because 2056642525 - 29 = 2056642013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056642529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203850 + ... + 213700.

It is an arithmetic number, because the mean of its divisors is an integer number (121553976).

Almost surely, 22056642525 is an apocalyptic number.

2056642525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2056642525 is a deficient number, since it is larger than the sum of its proper divisors (860652899).

2056642525 is a wasteful number, since it uses less digits than its factorization.

2056642525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11061 (or 11056 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 2056642525 is about 45350.2207822630. The cubic root of 2056642525 is about 1271.7046827459.

The spelling of 2056642525 in words is "two billion, fifty-six million, six hundred forty-two thousand, five hundred twenty-five".

Divisors: 1 5 7 25 35 175 1193 5965 8351 9851 29825 41755 49255 68957 208775 246275 344785 1723925 11752243 58761215 82265701 293806075 411328505 2056642525