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57682121 = 741200983
BaseRepresentation
bin1101110000001…
…0100011001001
311000112112222212
43130002203021
5104231311441
65420154505
71300201310
oct334024311
9130475885
1057682121
112a618482
1217398a35
13bc47c43
147937277
1550e5eeb
hex37028c9

57682121 has 8 divisors (see below), whose sum is σ = 67530624. Its totient is φ = 48235680.

The previous prime is 57682111. The next prime is 57682127. The reversal of 57682121 is 12128675.

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

It is a de Polignac number, because none of the positive numbers 2k-57682121 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57682127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100205 + ... + 100778.

It is an arithmetic number, because the mean of its divisors is an integer number (8441328).

Almost surely, 257682121 is an apocalyptic number.

It is an amenable number.

57682121 is a deficient number, since it is larger than the sum of its proper divisors (9848503).

57682121 is a wasteful number, since it uses less digits than its factorization.

57682121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201031.

The product of its digits is 6720, while the sum is 32.

The square root of 57682121 is about 7594.8746533435. The cubic root of 57682121 is about 386.3792013040.

The spelling of 57682121 in words is "fifty-seven million, six hundred eighty-two thousand, one hundred twenty-one".

Divisors: 1 7 41 287 200983 1406881 8240303 57682121