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2056972253 = 72691092391
BaseRepresentation
bin111101010011010…
…1110011111011101
312022100120000110112
41322212232133131
513203041103003
6540040015405
7101654655440
oct17246563735
95270500415
102056972253
1196611a776
12494a61565
1326a20415b
14157289657
15c08b83d8
hex7a9ae7dd

2056972253 has 8 divisors (see below), whose sum is σ = 2359566720. Its totient is φ = 1756563120.

The previous prime is 2056972237. The next prime is 2056972259. The reversal of 2056972253 is 3522796502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2056972253 - 24 = 2056972237 is a prime.

It is a super-2 number, since 2×20569722532 = 8462269699223792018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2056972253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056972259) 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, 544313 + ... + 548078.

It is an arithmetic number, because the mean of its divisors is an integer number (294945840).

Almost surely, 22056972253 is an apocalyptic number.

It is an amenable number.

2056972253 is a deficient number, since it is larger than the sum of its proper divisors (302594467).

2056972253 is a wasteful number, since it uses less digits than its factorization.

2056972253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092667.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 2056972253 is about 45353.8559882178. The cubic root of 2056972253 is about 1271.7726404698.

The spelling of 2056972253 in words is "two billion, fifty-six million, nine hundred seventy-two thousand, two hundred fifty-three".

Divisors: 1 7 269 1883 1092391 7646737 293853179 2056972253