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57671141 = 112541881
BaseRepresentation
bin1101101111111…
…1110111100101
311000111222221012
43123333313211
5104230434031
65420032005
71300124303
oct333776745
9130458835
1057671141
112a610200
1217392605
13bc42c48
147933273
1550e2b2b
hex36ffde5

57671141 has 12 divisors (see below), whose sum is σ = 63579852. Its totient is φ = 52272000.

The previous prime is 57671093. The next prime is 57671161. The reversal of 57671141 is 14117675.

It can be written as a sum of positive squares in 2 ways, for example, as 16120225 + 41550916 = 4015^2 + 6446^2 .

It is not a de Polignac number, because 57671141 - 26 = 57671077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57671098 and 57671107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57671161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65021 + ... + 65901.

It is an arithmetic number, because the mean of its divisors is an integer number (5298321).

Almost surely, 257671141 is an apocalyptic number.

It is an amenable number.

57671141 is a deficient number, since it is larger than the sum of its proper divisors (5908711).

57671141 is a wasteful number, since it uses less digits than its factorization.

57671141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444 (or 1433 counting only the distinct ones).

The product of its digits is 5880, while the sum is 32.

The square root of 57671141 is about 7594.1517630345. The cubic root of 57671141 is about 386.3546835229.

It can be divided in two parts, 576 and 71141, that added together give a palindrome (71717).

The spelling of 57671141 in words is "fifty-seven million, six hundred seventy-one thousand, one hundred forty-one".

Divisors: 1 11 121 541 881 5951 9691 65461 106601 476621 5242831 57671141