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57814680 = 23357116257
BaseRepresentation
bin1101110010001…
…0111010011000
311000210021211110
43130202322120
5104300032210
65423100320
71301262630
oct334427230
9130707743
1057814680
112a6a9030
12174416a0
13bc93391
14796d6c0
155120420
hex3722e98

57814680 has 128 divisors (see below), whose sum is σ = 216276480. Its totient is φ = 12011520.

The previous prime is 57814657. The next prime is 57814681. The reversal of 57814680 is 8641875.

57814680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57814681) 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 31 ways as a sum of consecutive naturals, for example, 6112 + ... + 12368.

It is an arithmetic number, because the mean of its divisors is an integer number (1689660).

Almost surely, 257814680 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 57814680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108138240).

57814680 is an abundant number, since it is smaller than the sum of its proper divisors (158461800).

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

57814680 is a wasteful number, since it uses less digits than its factorization.

57814680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6289 (or 6285 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 57814680 is about 7603.5965174383. The cubic root of 57814680 is about 386.6749535811.

The spelling of 57814680 in words is "fifty-seven million, eight hundred fourteen thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 11 12 14 15 20 21 22 24 28 30 33 35 40 42 44 55 56 60 66 70 77 84 88 105 110 120 132 140 154 165 168 210 220 231 264 280 308 330 385 420 440 462 616 660 770 840 924 1155 1320 1540 1848 2310 3080 4620 6257 9240 12514 18771 25028 31285 37542 43799 50056 62570 68827 75084 87598 93855 125140 131397 137654 150168 175196 187710 206481 218995 250280 262794 275308 344135 350392 375420 412962 437990 481789 525588 550616 656985 688270 750840 825924 875980 963578 1032405 1051176 1313970 1376540 1445367 1651848 1751960 1927156 2064810 2408945 2627940 2753080 2890734 3854312 4129620 4817890 5255880 5781468 7226835 8259240 9635780 11562936 14453670 19271560 28907340 57814680