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480730878 = 23226707271
BaseRepresentation
bin11100101001110…
…101111011111110
31020111120122210100
4130221311323332
51441031342003
6115411421530
714625100515
oct3451657376
91214518710
10480730878
112273a6251
12114bb48a6
1378799554
1447bbb67c
152c30dba3
hex1ca75efe

480730878 has 12 divisors (see below), whose sum is σ = 1041583608. Its totient is φ = 160243620.

The previous prime is 480730853. The next prime is 480730891. The reversal of 480730878 is 878037084.

It is a super-3 number, since 3×4807308783 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13353618 + ... + 13353653.

It is an arithmetic number, because the mean of its divisors is an integer number (86798634).

Almost surely, 2480730878 is an apocalyptic number.

480730878 is an abundant number, since it is smaller than the sum of its proper divisors (560852730).

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

480730878 is a wasteful number, since it uses less digits than its factorization.

480730878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26707279 (or 26707276 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 480730878 is about 21925.5758875337. The cubic root of 480730878 is about 783.3707281781.

The spelling of 480730878 in words is "four hundred eighty million, seven hundred thirty thousand, eight hundred seventy-eight".

Divisors: 1 2 3 6 9 18 26707271 53414542 80121813 160243626 240365439 480730878