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57848980 = 2257413207
BaseRepresentation
bin1101110010101…
…1010010010100
311000212000212211
43130223102110
5104302131410
65423523204
71301464630
oct334532224
9130760784
1057848980
112a721882
1217459504
13bca5b87
14797bdc0
15512a68a
hex372b494

57848980 has 24 divisors (see below), whose sum is σ = 138837888. Its totient is φ = 19833888.

The previous prime is 57848971. The next prime is 57848981. The reversal of 57848980 is 8984875.

57848980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57848981) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 206464 + ... + 206743.

It is an arithmetic number, because the mean of its divisors is an integer number (5784912).

Almost surely, 257848980 is an apocalyptic number.

It is an amenable number.

57848980 is an abundant number, since it is smaller than the sum of its proper divisors (80988908).

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

57848980 is a wasteful number, since it uses less digits than its factorization.

57848980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413223 (or 413221 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The square root of 57848980 is about 7605.8516945836. The cubic root of 57848980 is about 386.7514066487.

The spelling of 57848980 in words is "fifty-seven million, eight hundred forty-eight thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 413207 826414 1652828 2066035 2892449 4132070 5784898 8264140 11569796 14462245 28924490 57848980