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57409227 = 3213014903
BaseRepresentation
bin1101101011111…
…1111011001011
311000000200122200
43122333323023
5104144043402
65410251243
71264653561
oct332777313
9130020580
1057409227
112a451447
1217286b23
13bb80975
1478a5a31
15509021c
hex36bfecb

57409227 has 12 divisors (see below), whose sum is σ = 83005104. Its totient is φ = 38235600.

The previous prime is 57409223. The next prime is 57409243. The reversal of 57409227 is 72290475.

It is not a de Polignac number, because 57409227 - 22 = 57409223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57409191 and 57409200.

It is not an unprimeable number, because it can be changed into a prime (57409223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9258 + ... + 14160.

It is an arithmetic number, because the mean of its divisors is an integer number (6917092).

Almost surely, 257409227 is an apocalyptic number.

57409227 is a deficient number, since it is larger than the sum of its proper divisors (25595877).

57409227 is a wasteful number, since it uses less digits than its factorization.

57409227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6210 (or 6207 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 57409227 is about 7576.8876855870. The cubic root of 57409227 is about 385.7689181287.

The spelling of 57409227 in words is "fifty-seven million, four hundred nine thousand, two hundred twenty-seven".

Divisors: 1 3 9 1301 3903 4903 11709 14709 44127 6378803 19136409 57409227