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2057090 = 25729387
BaseRepresentation
bin111110110001110000010
310212111210112
413312032002
51011311330
6112031322
723325230
oct7661602
93774715
102057090
111185582
12832542
13570419
143b7950
152a9795
hex1f6382

2057090 has 16 divisors (see below), whose sum is σ = 4231872. Its totient is φ = 705264.

The previous prime is 2057087. The next prime is 2057113. The reversal of 2057090 is 907502.

It is an unprimeable number.

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, 14624 + ... + 14763.

It is an arithmetic number, because the mean of its divisors is an integer number (264492).

22057090 is an apocalyptic number.

2057090 is an abundant number, since it is smaller than the sum of its proper divisors (2174782).

2057090 is a wasteful number, since it uses less digits than its factorization.

2057090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29401.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 2057090 is about 1434.2559046418. The cubic root of 2057090 is about 127.1796906646.

The spelling of 2057090 in words is "two million, fifty-seven thousand, ninety".

Divisors: 1 2 5 7 10 14 35 70 29387 58774 146935 205709 293870 411418 1028545 2057090