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57418986 = 2312775353
BaseRepresentation
bin1101101100001…
…0010011101010
311000001012001010
43123002103222
5104144401421
65410404350
71265024202
oct333022352
9130035033
1057418986
112a458809
12172906b6
13bb85241
1478a9402
155093076
hex36c24ea

57418986 has 16 divisors (see below), whose sum is σ = 115743744. Its totient is φ = 18988704.

The previous prime is 57418967. The next prime is 57418987. The reversal of 57418986 is 68981475.

57418986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57418987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36915 + ... + 38438.

It is an arithmetic number, because the mean of its divisors is an integer number (7233984).

Almost surely, 257418986 is an apocalyptic number.

57418986 is an abundant number, since it is smaller than the sum of its proper divisors (58324758).

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

57418986 is a wasteful number, since it uses less digits than its factorization.

57418986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75485.

The product of its digits is 483840, while the sum is 48.

The square root of 57418986 is about 7577.5316561529. The cubic root of 57418986 is about 385.7907758553.

The spelling of 57418986 in words is "fifty-seven million, four hundred eighteen thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 127 254 381 762 75353 150706 226059 452118 9569831 19139662 28709493 57418986