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494312560 = 2457882701
BaseRepresentation
bin11101011101101…
…001110001110000
31021110010200100121
4131131221301300
52003021000220
6121014500024
715151405330
oct3535516160
91243120317
10494312560
11234032385
12119664614
137b543451
14499150c0
152d5e2eaa
hex1d769c70

494312560 has 40 divisors (see below), whose sum is σ = 1313460576. Its totient is φ = 169478400.

The previous prime is 494312557. The next prime is 494312591. The reversal of 494312560 is 65213494.

It is a happy number.

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

It is a congruent number.

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, 440791 + ... + 441910.

Almost surely, 2494312560 is an apocalyptic number.

494312560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

494312560 is an abundant number, since it is smaller than the sum of its proper divisors (819148016).

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

494312560 is a wasteful number, since it uses less digits than its factorization.

494312560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882721 (or 882715 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 494312560 is about 22233.1410286536. The cubic root of 494312560 is about 790.6796266630.

The spelling of 494312560 in words is "four hundred ninety-four million, three hundred twelve thousand, five hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 882701 1765402 3530804 4413505 6178907 7061608 8827010 12357814 14123216 17654020 24715628 30894535 35308040 49431256 61789070 70616080 98862512 123578140 247156280 494312560