Search a number
-
+
57944660 = 2257014133
BaseRepresentation
bin1101110100001…
…0101001010100
311001000220010112
43131002221110
5104313212120
65425542152
71302343604
oct335025124
9131026115
1057944660
112a787754
12174a4958
13c00a5a7
1479a4c04
155148bc5
hex3742a54

57944660 has 24 divisors (see below), whose sum is σ = 121886856. Its totient is φ = 23139200.

The previous prime is 57944641. The next prime is 57944669. The reversal of 57944660 is 6644975.

It can be written as a sum of positive squares in 4 ways, for example, as 21196816 + 36747844 = 4604^2 + 6062^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57944669) 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, 11954 + ... + 16086.

It is an arithmetic number, because the mean of its divisors is an integer number (5078619).

Almost surely, 257944660 is an apocalyptic number.

It is an amenable number.

57944660 is an abundant number, since it is smaller than the sum of its proper divisors (63942196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57944660 is a wasteful number, since it uses less digits than its factorization.

57944660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843 (or 4841 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 57944660 is about 7612.1389897978. The cubic root of 57944660 is about 386.9645132125.

The spelling of 57944660 in words is "fifty-seven million, nine hundred forty-four thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 701 1402 2804 3505 4133 7010 8266 14020 16532 20665 41330 82660 2897233 5794466 11588932 14486165 28972330 57944660