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493574660 = 22524678733
BaseRepresentation
bin11101011010110…
…101101000000100
31021101202012010222
4131122311220010
52002323342120
6120551003512
715142213115
oct3532655004
91241665128
10493574660
11233678a47
12119369598
137b345617
14497a220c
152d4e9525
hex1d6b5a04

493574660 has 12 divisors (see below), whose sum is σ = 1036506828. Its totient is φ = 197429856.

The previous prime is 493574657. The next prime is 493574663. The reversal of 493574660 is 66475394.

It is an interprime number because it is at equal distance from previous prime (493574657) and next prime (493574663).

It can be written as a sum of positive squares in 2 ways, for example, as 203689984 + 289884676 = 14272^2 + 17026^2 .

It is not an unprimeable number, because it can be changed into a prime (493574663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12339347 + ... + 12339386.

It is an arithmetic number, because the mean of its divisors is an integer number (86375569).

Almost surely, 2493574660 is an apocalyptic number.

It is an amenable number.

493574660 is an abundant number, since it is smaller than the sum of its proper divisors (542932168).

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

493574660 is a wasteful number, since it uses less digits than its factorization.

493574660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24678742 (or 24678740 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 493574660 is about 22216.5402346990. The cubic root of 493574660 is about 790.2859937662.

The spelling of 493574660 in words is "four hundred ninety-three million, five hundred seventy-four thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 24678733 49357466 98714932 123393665 246787330 493574660