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2056408 = 231983163
BaseRepresentation
bin111110110000011011000
310212110212021
413312003120
51011301113
6112024224
723323234
oct7660330
93773767
102056408
111185012
12832074
13570013
143b75c4
152a948d
hex1f60d8

2056408 has 32 divisors (see below), whose sum is σ = 4132800. Its totient is φ = 956448.

The previous prime is 2056403. The next prime is 2056409. The reversal of 2056408 is 8046502.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12535 + ... + 12697.

It is an arithmetic number, because the mean of its divisors is an integer number (129150).

22056408 is an apocalyptic number.

It is an amenable number.

2056408 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2056408 is a wasteful number, since it uses less digits than its factorization.

2056408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2056408 is about 1434.0181309872. The cubic root of 2056408 is about 127.1656342166.

The spelling of 2056408 in words is "two million, fifty-six thousand, four hundred eight".

Divisors: 1 2 4 8 19 38 76 83 152 163 166 326 332 652 664 1304 1577 3097 3154 6194 6308 12388 12616 13529 24776 27058 54116 108232 257051 514102 1028204 2056408