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2557055 = 51767449
BaseRepresentation
bin1001110000010001111111
311210220121202
421300101333
51123311210
6130450115
730506654
oct11602177
94726552
102557055
111497176
12a3393b
136b6b67
144a7c2b
153579a5
hex27047f

2557055 has 16 divisors (see below), whose sum is σ = 3304800. Its totient is φ = 1892352.

The previous prime is 2557013. The next prime is 2557063. The reversal of 2557055 is 5507552.

It is a cyclic number.

It is not a de Polignac number, because 2557055 - 26 = 2556991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5471 + ... + 5919.

It is an arithmetic number, because the mean of its divisors is an integer number (206550).

22557055 is an apocalyptic number.

2557055 is a deficient number, since it is larger than the sum of its proper divisors (747745).

2557055 is a wasteful number, since it uses less digits than its factorization.

2557055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538.

The product of its (nonzero) digits is 8750, while the sum is 29.

The square root of 2557055 is about 1599.0794226679. The cubic root of 2557055 is about 136.7455985313.

The spelling of 2557055 in words is "two million, five hundred fifty-seven thousand, fifty-five".

Divisors: 1 5 17 67 85 335 449 1139 2245 5695 7633 30083 38165 150415 511411 2557055