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57489542 = 21129251359
BaseRepresentation
bin1101101101001…
…1100010000110
311000011202211022
43123103202012
5104204131132
65412111142
71265436665
oct333234206
9130152738
1057489542
112a4a6820
12173054b2
13bbab3a6
1478c6ddc
1550a8e12
hex36d3886

57489542 has 32 divisors (see below), whose sum is σ = 97977600. Its totient is φ = 25060000.

The previous prime is 57489539. The next prime is 57489547. The reversal of 57489542 is 24598475.

It is a happy number.

57489542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 57489493 and 57489502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57489547) 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 15 ways as a sum of consecutive naturals, for example, 159959 + ... + 160317.

It is an arithmetic number, because the mean of its divisors is an integer number (3061800).

Almost surely, 257489542 is an apocalyptic number.

57489542 is a deficient number, since it is larger than the sum of its proper divisors (40488058).

57489542 is a wasteful number, since it uses less digits than its factorization.

57489542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652.

The product of its digits is 403200, while the sum is 44.

The square root of 57489542 is about 7582.1858325947. The cubic root of 57489542 is about 385.9487300693.

The spelling of 57489542 in words is "fifty-seven million, four hundred eighty-nine thousand, five hundred forty-two".

Divisors: 1 2 11 22 29 58 251 319 359 502 638 718 2761 3949 5522 7279 7898 10411 14558 20822 80069 90109 114521 160138 180218 229042 991199 1982398 2613161 5226322 28744771 57489542