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57550130 = 25114431181
BaseRepresentation
bin1101101110001…
…0010100110010
311000021211221022
43123202110302
5104213101010
65413255442
71266111431
oct333422462
9130254838
1057550130
112a5382a0
1217334582
13bbccb41
147901118
1550bbd55
hex36e2532

57550130 has 32 divisors (see below), whose sum is σ = 113358528. Its totient is φ = 20862400.

The previous prime is 57550127. The next prime is 57550139. The reversal of 57550130 is 3105575.

57550130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57550130.

It is not an unprimeable number, because it can be changed into a prime (57550139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48140 + ... + 49320.

It is an arithmetic number, because the mean of its divisors is an integer number (3542454).

Almost surely, 257550130 is an apocalyptic number.

57550130 is a deficient number, since it is larger than the sum of its proper divisors (55808398).

57550130 is a wasteful number, since it uses less digits than its factorization.

57550130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642.

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 57550130 is about 7586.1801982289. The cubic root of 57550130 is about 386.0842657449.

It can be divided in two parts, 575 and 50130, that added together give a palindrome (50705).

The spelling of 57550130 in words is "fifty-seven million, five hundred fifty thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 443 886 1181 2215 2362 4430 4873 5905 9746 11810 12991 24365 25982 48730 64955 129910 523183 1046366 2615915 5231830 5755013 11510026 28775065 57550130