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57817142 = 261473911
BaseRepresentation
bin1101110010001…
…1100000110110
311000210102012122
43130203200312
5104300122032
65423115542
71301303045
oct334434066
9130712178
1057817142
112a6aa969
1217442bb2
13bc94536
14797055c
155121012
hex3723836

57817142 has 8 divisors (see below), whose sum is σ = 88147632. Its totient is φ = 28434600.

The previous prime is 57817121. The next prime is 57817163. The reversal of 57817142 is 24171875.

57817142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (57817121) and next prime (57817163).

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

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 3 ways as a sum of consecutive naturals, for example, 236834 + ... + 237077.

It is an arithmetic number, because the mean of its divisors is an integer number (11018454).

Almost surely, 257817142 is an apocalyptic number.

57817142 is a deficient number, since it is larger than the sum of its proper divisors (30330490).

57817142 is a wasteful number, since it uses less digits than its factorization.

57817142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473974.

The product of its digits is 15680, while the sum is 35.

The square root of 57817142 is about 7603.7584127851. The cubic root of 57817142 is about 386.6804422692.

The spelling of 57817142 in words is "fifty-seven million, eight hundred seventeen thousand, one hundred forty-two".

Divisors: 1 2 61 122 473911 947822 28908571 57817142