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57734560 = 2551341677
BaseRepresentation
bin1101110000111…
…1010110100000
311000122012221001
43130033112200
5104240001220
65421241344
71300510222
oct334172640
9130565831
1057734560
112a653914
1217403254
13bc65a80
14794c412
15510680a
hex370f5a0

57734560 has 96 divisors (see below), whose sum is σ = 150694992. Its totient is φ = 20766720.

The previous prime is 57734557. The next prime is 57734587. The reversal of 57734560 is 6543775.

57734560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 17943696 + 39790864 = 4236^2 + 6308^2 .

It is a super-4 number, since 4×577345604 (a number of 32 digits) contains 4444 as substring.

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 15 ways as a sum of consecutive naturals, for example, 84942 + ... + 85618.

Almost surely, 257734560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57734560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75347496).

57734560 is an abundant number, since it is smaller than the sum of its proper divisors (92960432).

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

57734560 is a wasteful number, since it uses less digits than its factorization.

57734560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 57734560 is about 7598.3261314582. The cubic root of 57734560 is about 386.4962520284.

The spelling of 57734560 in words is "fifty-seven million, seven hundred thirty-four thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 41 52 65 80 82 104 130 160 164 205 208 260 328 410 416 520 533 656 677 820 1040 1066 1312 1354 1640 2080 2132 2665 2708 3280 3385 4264 5330 5416 6560 6770 8528 8801 10660 10832 13540 17056 17602 21320 21664 27080 27757 35204 42640 44005 54160 55514 70408 85280 88010 108320 111028 138785 140816 176020 222056 277570 281632 352040 360841 444112 555140 704080 721682 888224 1110280 1408160 1443364 1804205 2220560 2886728 3608410 4441120 5773456 7216820 11546912 14433640 28867280 57734560