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494192980 = 22543574643
BaseRepresentation
bin11101011101001…
…100100101010100
31021102220121022201
4131131030211110
52003003133410
6121012134244
715150366601
oct3535144524
91242817281
10494192980
11233a60556
12119607384
137b500ba8
14498c36a8
152d5bc83a
hex1d74c954

494192980 has 24 divisors (see below), whose sum is σ = 1061942112. Its totient is φ = 193079712.

The previous prime is 494192977. The next prime is 494192989. The reversal of 494192980 is 89291494.

It is a self number, because there is not a number n which added to its sum of digits gives 494192980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494192989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286462 + ... + 288181.

It is an arithmetic number, because the mean of its divisors is an integer number (44247588).

Almost surely, 2494192980 is an apocalyptic number.

It is an amenable number.

494192980 is an abundant number, since it is smaller than the sum of its proper divisors (567749132).

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

494192980 is a wasteful number, since it uses less digits than its factorization.

494192980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574695 (or 574693 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 494192980 is about 22230.4516373375. The cubic root of 494192980 is about 790.6158632990.

The spelling of 494192980 in words is "four hundred ninety-four million, one hundred ninety-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 574643 1149286 2298572 2873215 5746430 11492860 24709649 49419298 98838596 123548245 247096490 494192980