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494976780 = 2232512132267
BaseRepresentation
bin11101100000001…
…011111100001100
31021111101102111100
4131200023330030
52003203224110
6121041023100
715160142664
oct3540137414
91244342440
10494976780
11234446421
12119924a90
137b71688c
1449a491a4
152d6c4bc0
hex1d80bf0c

494976780 has 72 divisors (see below), whose sum is σ = 1503330192. Its totient is φ = 131826816.

The previous prime is 494976761. The next prime is 494976803. The reversal of 494976780 is 87679494.

It is a happy number.

494976780 is a `hidden beast` number, since 494 + 9 + 76 + 7 + 80 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217207 + ... + 219473.

It is an arithmetic number, because the mean of its divisors is an integer number (20879586).

Almost surely, 2494976780 is an apocalyptic number.

It is an amenable number.

494976780 is an abundant number, since it is smaller than the sum of its proper divisors (1008353412).

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

494976780 is a wasteful number, since it uses less digits than its factorization.

494976780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495 (or 3490 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 494976780 is about 22248.0736244736. The cubic root of 494976780 is about 791.0336200704.

The spelling of 494976780 in words is "four hundred ninety-four million, nine hundred seventy-six thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1213 2267 2426 3639 4534 4852 6065 6801 7278 9068 10917 11335 12130 13602 14556 18195 20403 21834 22670 24260 27204 34005 36390 40806 43668 45340 54585 68010 72780 81612 102015 109170 136020 204030 218340 408060 2749871 5499742 8249613 10999484 13749355 16499226 24748839 27498710 32998452 41248065 49497678 54997420 82496130 98995356 123744195 164992260 247488390 494976780