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57493374 = 239582229
BaseRepresentation
bin1101101101010…
…0011101111110
311000011222002020
43123110131332
5104204241444
65412141010
71265454111
oct333243576
9130158066
1057493374
112a4a9694
1217307766
13bbb0063
1478c8578
1550aa119
hex36d477e

57493374 has 8 divisors (see below), whose sum is σ = 114986760. Its totient is φ = 19164456.

The previous prime is 57493369. The next prime is 57493391. The reversal of 57493374 is 47339475.

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

57493374 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4791109 + ... + 4791120.

It is an arithmetic number, because the mean of its divisors is an integer number (14373345).

Almost surely, 257493374 is an apocalyptic number.

57493374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57493374 is a wasteful number, since it uses less digits than its factorization.

57493374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9582234.

The product of its digits is 317520, while the sum is 42.

The square root of 57493374 is about 7582.4385259625. The cubic root of 57493374 is about 385.9573050937.

The spelling of 57493374 in words is "fifty-seven million, four hundred ninety-three thousand, three hundred seventy-four".

Divisors: 1 2 3 6 9582229 19164458 28746687 57493374