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57489688 = 2327725943
BaseRepresentation
bin1101101101001…
…1100100011000
311000011210000201
43123103210120
5104204132223
65412111544
71265440264
oct333234430
9130153021
1057489688
112a4a6943
12173055b4
13bbab489
1478c70a4
1550a8ead
hex36d3918

57489688 has 16 divisors (see below), whose sum is σ = 108186480. Its totient is φ = 28639968.

The previous prime is 57489661. The next prime is 57489689. The reversal of 57489688 is 88698475.

57489688 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-3 number, since 3×574896883 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57489689) 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 3 ways as a sum of consecutive naturals, for example, 10756 + ... + 15187.

It is an arithmetic number, because the mean of its divisors is an integer number (6761655).

Almost surely, 257489688 is an apocalyptic number.

It is an amenable number.

57489688 is a deficient number, since it is larger than the sum of its proper divisors (50696792).

57489688 is a wasteful number, since it uses less digits than its factorization.

57489688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26226 (or 26222 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 55.

The square root of 57489688 is about 7582.1954604191. The cubic root of 57489688 is about 385.9490567865.

The spelling of 57489688 in words is "fifty-seven million, four hundred eighty-nine thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 277 554 1108 2216 25943 51886 103772 207544 7186211 14372422 28744844 57489688