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57105201 = 361730851
BaseRepresentation
bin1101100111010…
…1101100110001
310222110020121110
43121311230301
5104104331301
65355543533
71262246316
oct331655461
9128406543
1057105201
112a263a8a
121715aba9
13baa547a
147826d0d
1550300d6
hex3675b31

57105201 has 8 divisors (see below), whose sum is σ = 76266144. Its totient is φ = 38007200.

The previous prime is 57105197. The next prime is 57105233. The reversal of 57105201 is 10250175.

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

It is not a de Polignac number, because 57105201 - 22 = 57105197 is a prime.

It is a super-3 number, since 3×571052013 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (57105281) 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, 13575 + ... + 17276.

It is an arithmetic number, because the mean of its divisors is an integer number (9533268).

Almost surely, 257105201 is an apocalyptic number.

It is an amenable number.

57105201 is a deficient number, since it is larger than the sum of its proper divisors (19160943).

57105201 is a wasteful number, since it uses less digits than its factorization.

57105201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31471.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 57105201 is about 7556.7983299808. The cubic root of 57105201 is about 385.0867314579.

Adding to 57105201 its reverse (10250175), we get a palindrome (67355376).

The spelling of 57105201 in words is "fifty-seven million, one hundred five thousand, two hundred one".

Divisors: 1 3 617 1851 30851 92553 19035067 57105201