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2557056 = 2736659
BaseRepresentation
bin1001110000010010000000
311210220121210
421300102000
51123311211
6130450120
730506655
oct11602200
94726553
102557056
111497177
12a33940
136b6b68
144a7c2c
153579a6
hex270480

2557056 has 32 divisors (see below), whose sum is σ = 6793200. Its totient is φ = 852224.

The previous prime is 2557013. The next prime is 2557063. The reversal of 2557056 is 6507552.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2946 + ... + 3713.

22557056 is an apocalyptic number.

It is an amenable number.

2557056 is an abundant number, since it is smaller than the sum of its proper divisors (4236144).

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

2557056 is an equidigital number, since it uses as much as digits as its factorization.

2557056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6676 (or 6664 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 2557056 is about 1599.0797353478. The cubic root of 2557056 is about 136.7456163572.

The spelling of 2557056 in words is "two million, five hundred fifty-seven thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 6659 13318 19977 26636 39954 53272 79908 106544 159816 213088 319632 426176 639264 852352 1278528 2557056