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57660101 = 193298757
BaseRepresentation
bin1101101111110…
…1001011000101
311000111102210022
43123331023011
5104230110401
65415504525
71300050152
oct333751305
9130442708
1057660101
112a602984
1217388145
13bc3ac05
14792d229
1550de71b
hex36fd2c5

57660101 has 4 divisors (see below), whose sum is σ = 57959052. Its totient is φ = 57361152.

The previous prime is 57660089. The next prime is 57660137. The reversal of 57660101 is 10106675.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22791076 + 34869025 = 4774^2 + 5905^2 .

It is a cyclic number.

It is not a de Polignac number, because 57660101 - 26 = 57660037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57660301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149186 + ... + 149571.

It is an arithmetic number, because the mean of its divisors is an integer number (14489763).

Almost surely, 257660101 is an apocalyptic number.

It is an amenable number.

57660101 is a deficient number, since it is larger than the sum of its proper divisors (298951).

57660101 is a wasteful number, since it uses less digits than its factorization.

57660101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298950.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 57660101 is about 7593.4248531213. The cubic root of 57660101 is about 386.3300286271.

Adding to 57660101 its reverse (10106675), we get a palindrome (67766776).

The spelling of 57660101 in words is "fifty-seven million, six hundred sixty thousand, one hundred one".

Divisors: 1 193 298757 57660101