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2056975 = 5282279
BaseRepresentation
bin111110110001100001111
310212111122021
413312030033
51011310400
6112031011
723325004
oct7661417
93774567
102056975
111185488
12832467
1357035b
143b78ab
152a971a
hex1f630f

2056975 has 6 divisors (see below), whose sum is σ = 2550680. Its totient is φ = 1645560.

The previous prime is 2056973. The next prime is 2056979. The reversal of 2056975 is 5796502.

It is not a de Polignac number, because 2056975 - 21 = 2056973 is a prime.

It is a super-2 number, since 2×20569752 = 8462292301250, which contains 22 as substring.

2056975 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2056975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056973) 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 5 ways as a sum of consecutive naturals, for example, 41115 + ... + 41164.

22056975 is an apocalyptic number.

2056975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2056975 is a deficient number, since it is larger than the sum of its proper divisors (493705).

2056975 is an equidigital number, since it uses as much as digits as its factorization.

2056975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82289 (or 82284 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 2056975 is about 1434.2158136069. The cubic root of 2056975 is about 127.1773206603.

The spelling of 2056975 in words is "two million, fifty-six thousand, nine hundred seventy-five".

Divisors: 1 5 25 82279 411395 2056975