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57408960 = 263578543
BaseRepresentation
bin1101101011111…
…1110111000000
311000000200021210
43122333313000
5104144041320
65410250120
71264653030
oct332776700
9130020253
1057408960
112a451224
1217286940
13bb807cb
1478a58c0
1550900e0
hex36bfdc0

57408960 has 112 divisors (see below), whose sum is σ = 208336896. Its totient is φ = 13120512.

The previous prime is 57408959. The next prime is 57408973. The reversal of 57408960 is 6980475.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2449 + ... + 10991.

Almost surely, 257408960 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 57408960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104168448).

57408960 is an abundant number, since it is smaller than the sum of its proper divisors (150927936).

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

57408960 is a wasteful number, since it uses less digits than its factorization.

57408960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8570 (or 8560 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 57408960 is about 7576.8700661949. The cubic root of 57408960 is about 385.7683200804.

The spelling of 57408960 in words is "fifty-seven million, four hundred eight thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 140 160 168 192 210 224 240 280 320 336 420 448 480 560 672 840 960 1120 1344 1680 2240 3360 6720 8543 17086 25629 34172 42715 51258 59801 68344 85430 102516 119602 128145 136688 170860 179403 205032 239204 256290 273376 299005 341720 358806 410064 478408 512580 546752 598010 683440 717612 820128 897015 956816 1025160 1196020 1366880 1435224 1640256 1794030 1913632 2050320 2392040 2733760 2870448 3588060 3827264 4100640 4784080 5740896 7176120 8201280 9568160 11481792 14352240 19136320 28704480 57408960