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494774780 = 22524738739
BaseRepresentation
bin11101011111011…
…010100111111100
31021111000011101212
4131133122213330
52003130243110
6121032423552
715155342033
oct3537324774
91244004355
10494774780
11234318685
12119847bb8
137b675956
14499d571a
152d684e05
hex1d7da9fc

494774780 has 12 divisors (see below), whose sum is σ = 1039027080. Its totient is φ = 197909904.

The previous prime is 494774779. The next prime is 494774807. The reversal of 494774780 is 87477494.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12369350 + ... + 12369389.

It is an arithmetic number, because the mean of its divisors is an integer number (86585590).

Almost surely, 2494774780 is an apocalyptic number.

It is an amenable number.

494774780 is an abundant number, since it is smaller than the sum of its proper divisors (544252300).

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

494774780 is a wasteful number, since it uses less digits than its factorization.

494774780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24738748 (or 24738746 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 50.

The square root of 494774780 is about 22243.5334423288. The cubic root of 494774780 is about 790.9259985015.

The spelling of 494774780 in words is "four hundred ninety-four million, seven hundred seventy-four thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 24738739 49477478 98954956 123693695 247387390 494774780