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57143116 = 2253269543
BaseRepresentation
bin1101100111111…
…0111101001100
310222112011121201
43121332331030
5104112034431
65400435244
71262465002
oct331767514
9128464551
1057143116
112a28a518
1217178b24
13bab97c4
147836a72
15503b461
hex367ef4c

57143116 has 12 divisors (see below), whose sum is σ = 101887632. Its totient is φ = 28032368.

The previous prime is 57143113. The next prime is 57143123. The reversal of 57143116 is 61134175.

It is not an unprimeable number, because it can be changed into a prime (57143113) by changing a digit.

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, 134560 + ... + 134983.

It is an arithmetic number, because the mean of its divisors is an integer number (8490636).

Almost surely, 257143116 is an apocalyptic number.

It is an amenable number.

57143116 is a deficient number, since it is larger than the sum of its proper divisors (44744516).

57143116 is a wasteful number, since it uses less digits than its factorization.

57143116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269600 (or 269598 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 57143116 is about 7559.3065819558. The cubic root of 57143116 is about 385.1719387187.

The spelling of 57143116 in words is "fifty-seven million, one hundred forty-three thousand, one hundred sixteen".

Divisors: 1 2 4 53 106 212 269543 539086 1078172 14285779 28571558 57143116