Search a number
-
+
57056051 = 1341167641
BaseRepresentation
bin1101100110100…
…1101100110011
310222100202012002
43121221230303
5104101243201
65354524215
71261653113
oct331515463
9128322162
1057056051
112a230068
121713666b
13ba88ca0
147813043
15502076b
hex3669b33

57056051 has 16 divisors (see below), whose sum is σ = 63419328. Its totient is φ = 50995200.

The previous prime is 57056047. The next prime is 57056057. The reversal of 57056051 is 15065075.

It is a cyclic number.

It is not a de Polignac number, because 57056051 - 22 = 57056047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57056057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88691 + ... + 89331.

It is an arithmetic number, because the mean of its divisors is an integer number (3963708).

Almost surely, 257056051 is an apocalyptic number.

57056051 is a deficient number, since it is larger than the sum of its proper divisors (6363277).

57056051 is a wasteful number, since it uses less digits than its factorization.

57056051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 57056051 is about 7553.5455913101. The cubic root of 57056051 is about 384.9762193666.

The spelling of 57056051 in words is "fifty-seven million, fifty-six thousand, fifty-one".

Divisors: 1 13 41 167 533 641 2171 6847 8333 26281 89011 107047 341653 1391611 4388927 57056051