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57556128 = 2537412089
BaseRepresentation
bin1101101110001…
…1110010100000
311000022011011110
43123203302200
5104213244003
65413343320
71266135060
oct333436240
9130264143
1057556128
112a541853
1217337b40
13bc027a6
1479033a0
1550bda03
hex36e3ca0

57556128 has 96 divisors (see below), whose sum is σ = 176964480. Its totient is φ = 16035840.

The previous prime is 57556063. The next prime is 57556133. The reversal of 57556128 is 82165575.

57556128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

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, 26508 + ... + 28596.

It is an arithmetic number, because the mean of its divisors is an integer number (1843380).

Almost surely, 257556128 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 57556128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88482240).

57556128 is an abundant number, since it is smaller than the sum of its proper divisors (119408352).

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

57556128 is a wasteful number, since it uses less digits than its factorization.

57556128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150 (or 2142 counting only the distinct ones).

The product of its digits is 84000, while the sum is 39.

The square root of 57556128 is about 7586.5755120476. The cubic root of 57556128 is about 386.0976781269.

The spelling of 57556128 in words is "fifty-seven million, five hundred fifty-six thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 41 42 48 56 82 84 96 112 123 164 168 224 246 287 328 336 492 574 656 672 861 984 1148 1312 1722 1968 2089 2296 3444 3936 4178 4592 6267 6888 8356 9184 12534 13776 14623 16712 25068 27552 29246 33424 43869 50136 58492 66848 85649 87738 100272 116984 171298 175476 200544 233968 256947 342596 350952 467936 513894 599543 685192 701904 1027788 1199086 1370384 1403808 1798629 2055576 2398172 2740768 3597258 4111152 4796344 7194516 8222304 9592688 14389032 19185376 28778064 57556128