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57150753 = 31117101873
BaseRepresentation
bin1101101000000…
…0110100100001
310222112120002120
43122000310201
5104112311003
65400534453
71262526162
oct332006441
9128476076
1057150753
112a295230
1217181429
13bac011a
147839769
15503d853
hex3680d21

57150753 has 16 divisors (see below), whose sum is σ = 88019136. Its totient is φ = 32599040.

The previous prime is 57150739. The next prime is 57150757. The reversal of 57150753 is 35705175.

It is a cyclic number.

It is not a de Polignac number, because 57150753 - 28 = 57150497 is a prime.

It is a super-3 number, since 3×571507533 (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (57150757) 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, 50376 + ... + 51497.

It is an arithmetic number, because the mean of its divisors is an integer number (5501196).

Almost surely, 257150753 is an apocalyptic number.

It is an amenable number.

57150753 is a deficient number, since it is larger than the sum of its proper divisors (30868383).

57150753 is a wasteful number, since it uses less digits than its factorization.

57150753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101904.

The product of its (nonzero) digits is 18375, while the sum is 33.

The square root of 57150753 is about 7559.8117040043. The cubic root of 57150753 is about 385.1890969655.

The spelling of 57150753 in words is "fifty-seven million, one hundred fifty thousand, seven hundred fifty-three".

Divisors: 1 3 11 17 33 51 187 561 101873 305619 1120603 1731841 3361809 5195523 19050251 57150753