Search a number
-
+
57897341 = 3710115493
BaseRepresentation
bin1101110011011…
…1000101111101
311000221111012222
43130313011331
5104310203331
65424535125
71302055625
oct334670575
9130844188
1057897341
112a755147
12174814a5
13bcc1ba8
147991885
155139b7b
hex373717d

57897341 has 8 divisors (see below), whose sum is σ = 60054744. Its totient is φ = 55771200.

The previous prime is 57897299. The next prime is 57897347. The reversal of 57897341 is 14379875.

It can be written as a sum of positive squares in 4 ways, for example, as 20025625 + 37871716 = 4475^2 + 6154^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57897341 - 210 = 57896317 is a prime.

It is a super-3 number, since 3×578973413 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57897292 and 57897301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57897347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4010 + ... + 11483.

It is an arithmetic number, because the mean of its divisors is an integer number (7506843).

Almost surely, 257897341 is an apocalyptic number.

It is an amenable number.

57897341 is a deficient number, since it is larger than the sum of its proper divisors (2157403).

57897341 is a wasteful number, since it uses less digits than its factorization.

57897341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15631.

The product of its digits is 211680, while the sum is 44.

The square root of 57897341 is about 7609.0302273023. The cubic root of 57897341 is about 386.8591496904.

The spelling of 57897341 in words is "fifty-seven million, eight hundred ninety-seven thousand, three hundred forty-one".

Divisors: 1 37 101 3737 15493 573241 1564793 57897341