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2057042 = 213611297
BaseRepresentation
bin111110110001101010010
310212111201202
413312031102
51011311132
6112031202
723325131
oct7661522
93774652
102057042
111185539
12832502
135703b0
143b7918
152a9762
hex1f6352

2057042 has 16 divisors (see below), whose sum is σ = 3379992. Its totient is φ = 933120.

The previous prime is 2057023. The next prime is 2057047. The reversal of 2057042 is 2407502.

It can be written as a sum of positive squares in 4 ways, for example, as 1540081 + 516961 = 1241^2 + 719^2 .

It is not an unprimeable number, because it can be changed into a prime (2057047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938 + ... + 2234.

22057042 is an apocalyptic number.

2057042 is a deficient number, since it is larger than the sum of its proper divisors (1322950).

2057042 is a wasteful number, since it uses less digits than its factorization.

2057042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 2057042 is about 1434.2391711287. The cubic root of 2057042 is about 127.1787014562.

The spelling of 2057042 in words is "two million, fifty-seven thousand, forty-two".

Divisors: 1 2 13 26 61 122 793 1297 1586 2594 16861 33722 79117 158234 1028521 2057042