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57494382 = 23114121247
BaseRepresentation
bin1101101101010…
…0101101101110
311000012000110120
43123110231232
5104204310012
65412145410
71265460051
oct333245556
9130160416
1057494382
112a4aa420
1217308266
13bbb065a
1478c8a98
1550aa58c
hex36d4b6e

57494382 has 32 divisors (see below), whose sum is σ = 128507904. Its totient is φ = 16996800.

The previous prime is 57494377. The next prime is 57494389. The reversal of 57494382 is 28349475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57494389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7918 + ... + 13329.

It is an arithmetic number, because the mean of its divisors is an integer number (4015872).

Almost surely, 257494382 is an apocalyptic number.

57494382 is an abundant number, since it is smaller than the sum of its proper divisors (71013522).

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

57494382 is a wasteful number, since it uses less digits than its factorization.

57494382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21304.

The product of its digits is 241920, while the sum is 42.

The square root of 57494382 is about 7582.5049950528. The cubic root of 57494382 is about 385.9595606735.

The spelling of 57494382 in words is "fifty-seven million, four hundred ninety-four thousand, three hundred eighty-two".

Divisors: 1 2 3 6 11 22 33 41 66 82 123 246 451 902 1353 2706 21247 42494 63741 127482 233717 467434 701151 871127 1402302 1742254 2613381 5226762 9582397 19164794 28747191 57494382