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57714291 = 3223278813
BaseRepresentation
bin1101110000101…
…0011001110011
311000121012010100
43130022121303
5104233324131
65421003443
71300364145
oct334123163
9130535110
1057714291
112a63a668
12173b3583
13bc5978b
147944c95
1551007e6
hex370a673

57714291 has 12 divisors (see below), whose sum is σ = 86989968. Its totient is φ = 36803184.

The previous prime is 57714287. The next prime is 57714313. The reversal of 57714291 is 19241775.

It is a happy number.

It is not a de Polignac number, because 57714291 - 22 = 57714287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57714271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139200 + ... + 139613.

It is an arithmetic number, because the mean of its divisors is an integer number (7249164).

Almost surely, 257714291 is an apocalyptic number.

57714291 is a deficient number, since it is larger than the sum of its proper divisors (29275677).

57714291 is a wasteful number, since it uses less digits than its factorization.

57714291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278842 (or 278839 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 57714291 is about 7596.9922337725. The cubic root of 57714291 is about 386.4510173690.

The spelling of 57714291 in words is "fifty-seven million, seven hundred fourteen thousand, two hundred ninety-one".

Divisors: 1 3 9 23 69 207 278813 836439 2509317 6412699 19238097 57714291