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57125301 = 31311371061
BaseRepresentation
bin1101100111101…
…0100110110101
310222111021011220
43121322212311
5104111002201
65400220553
71262362032
oct331724665
9128437156
1057125301
112a2780a2
121716a759
13bab166c
147830389
155036036
hex367a9b5

57125301 has 16 divisors (see below), whose sum is σ = 77381568. Its totient is φ = 37481600.

The previous prime is 57125291. The next prime is 57125303. The reversal of 57125301 is 10352175.

It is a cyclic number.

It is not a de Polignac number, because 57125301 - 29 = 57124789 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57125303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53311 + ... + 54371.

It is an arithmetic number, because the mean of its divisors is an integer number (4836348).

Almost surely, 257125301 is an apocalyptic number.

It is an amenable number.

57125301 is a deficient number, since it is larger than the sum of its proper divisors (20256267).

57125301 is a wasteful number, since it uses less digits than its factorization.

57125301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 57125301 is about 7558.1281412794. The cubic root of 57125301 is about 385.1319073508.

Adding to 57125301 its reverse (10352175), we get a palindrome (67477476).

The spelling of 57125301 in words is "fifty-seven million, one hundred twenty-five thousand, three hundred one".

Divisors: 1 3 131 137 393 411 1061 3183 17947 53841 138991 145357 416973 436071 19041767 57125301