Search a number
-
+
73489892 = 2272624639
BaseRepresentation
bin1000110000101…
…01110111100100
312010021200011212
410120111313210
5122303134032
611143050552
71551440150
oct430256744
9163250155
1073489892
1138535053
1220740a58
13122c1158
149a90060
1566b9bb2
hex4615de4

73489892 has 12 divisors (see below), whose sum is σ = 146979840. Its totient is φ = 31495656.

The previous prime is 73489879. The next prime is 73489901. The reversal of 73489892 is 29898437.

It is a happy number.

73489892 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 73489892.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312292 + ... + 1312347.

It is an arithmetic number, because the mean of its divisors is an integer number (12248320).

Almost surely, 273489892 is an apocalyptic number.

It is an amenable number.

73489892 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

73489892 is a wasteful number, since it uses less digits than its factorization.

73489892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624650 (or 2624648 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 73489892 is about 8572.6245689404. The cubic root of 73489892 is about 418.8667332684.

The spelling of 73489892 in words is "seventy-three million, four hundred eighty-nine thousand, eight hundred ninety-two".

Divisors: 1 2 4 7 14 28 2624639 5249278 10498556 18372473 36744946 73489892