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57427902 = 2327265111
BaseRepresentation
bin1101101100010…
…0011110111110
311000001122021100
43123010132332
5104200143102
65410513530
71265062200
oct333043676
9130048240
1057427902
112a464484
12172958a6
13bb8930c
1478ac770
155095a1c
hex36c47be

57427902 has 36 divisors (see below), whose sum is σ = 144743976. Its totient is φ = 16407720.

The previous prime is 57427883. The next prime is 57427907. The reversal of 57427902 is 20972475.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57427907) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31674 + ... + 33437.

It is an arithmetic number, because the mean of its divisors is an integer number (4020666).

Almost surely, 257427902 is an apocalyptic number.

57427902 is an abundant number, since it is smaller than the sum of its proper divisors (87316074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57427902 is a wasteful number, since it uses less digits than its factorization.

57427902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65133 (or 65123 counting only the distinct ones).

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

The square root of 57427902 is about 7578.1199515447. The cubic root of 57427902 is about 385.8107433073.

The spelling of 57427902 in words is "fifty-seven million, four hundred twenty-seven thousand, nine hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 294 441 882 65111 130222 195333 390666 455777 585999 911554 1171998 1367331 2734662 3190439 4101993 6380878 8203986 9571317 19142634 28713951 57427902