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5457705520 = 24579863561
BaseRepresentation
bin1010001010100110…
…11111101000110000
3112002100122011111111
411011103133220300
542134133034040
62301321323104
7252150505621
oct50523375060
915070564444
105457705520
112350806a33
121083936494
1368c925967
1439aba7a48
1521e217dea
hex1454dfa30

5457705520 has 40 divisors (see below), whose sum is σ = 12849802560. Its totient is φ = 2155445760.

The previous prime is 5457705439. The next prime is 5457705593. The reversal of 5457705520 is 255077545.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425461 + ... + 438100.

It is an arithmetic number, because the mean of its divisors is an integer number (321245064).

Almost surely, 25457705520 is an apocalyptic number.

It is an amenable number.

5457705520 is an abundant number, since it is smaller than the sum of its proper divisors (7392097040).

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

5457705520 is a wasteful number, since it uses less digits than its factorization.

5457705520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863653 (or 863647 counting only the distinct ones).

The product of its (nonzero) digits is 245000, while the sum is 40.

The square root of 5457705520 is about 73876.2852341670. The cubic root of 5457705520 is about 1760.6378455996.

The spelling of 5457705520 in words is "five billion, four hundred fifty-seven million, seven hundred five thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 79 80 158 316 395 632 790 1264 1580 3160 6320 863561 1727122 3454244 4317805 6908488 8635610 13816976 17271220 34542440 68221319 69084880 136442638 272885276 341106595 545770552 682213190 1091541104 1364426380 2728852760 5457705520