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57394190 = 257329577
BaseRepresentation
bin1101101011110…
…0010000001110
310222222221000202
43122330100032
5104143103230
65410053502
71264562000
oct332742016
9128887022
1057394190
112a441117
121727a292
13bb76b79
1478a0370
15508aa45
hex36bc40e

57394190 has 64 divisors (see below), whose sum is σ = 124848000. Its totient is φ = 18966528.

The previous prime is 57394171. The next prime is 57394213. The reversal of 57394190 is 9149375.

It is a happy number.

57394190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×573941902 = 6588186091512200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 99182 + ... + 99758.

It is an arithmetic number, because the mean of its divisors is an integer number (1950750).

Almost surely, 257394190 is an apocalyptic number.

57394190 is an abundant number, since it is smaller than the sum of its proper divisors (67453810).

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

57394190 is a wasteful number, since it uses less digits than its factorization.

57394190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 57394190 is about 7575.8953266264. The cubic root of 57394190 is about 385.7352341487.

The spelling of 57394190 in words is "fifty-seven million, three hundred ninety-four thousand, one hundred ninety".

Divisors: 1 2 5 7 10 14 29 35 49 58 70 98 145 203 245 290 343 406 490 577 686 1015 1154 1421 1715 2030 2842 2885 3430 4039 5770 7105 8078 9947 14210 16733 19894 20195 28273 33466 40390 49735 56546 83665 99470 117131 141365 167330 197911 234262 282730 395822 585655 819917 989555 1171310 1639834 1979110 4099585 5739419 8199170 11478838 28697095 57394190