Search a number
-
+
624445068 = 2231312293257
BaseRepresentation
bin100101001110000…
…100011010001100
31121112000002121010
4211032010122030
52234324220233
6141544005220
721321460362
oct4516043214
91545002533
10624445068
112a0534905
12155160810
139c4a7330
145cd0b632
1539c4ab63
hex2538468c

624445068 has 48 divisors (see below), whose sum is σ = 1570877280. Its totient is φ = 191921664.

The previous prime is 624445043. The next prime is 624445111. The reversal of 624445068 is 860544426.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190096 + ... + 193352.

It is an arithmetic number, because the mean of its divisors is an integer number (32726610).

Almost surely, 2624445068 is an apocalyptic number.

It is an amenable number.

624445068 is an abundant number, since it is smaller than the sum of its proper divisors (946432212).

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

624445068 is a wasteful number, since it uses less digits than its factorization.

624445068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506 (or 4504 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 624445068 is about 24988.8988953095. The cubic root of 624445068 is about 854.7348529766.

The spelling of 624445068 in words is "six hundred twenty-four million, four hundred forty-five thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 1229 2458 3257 3687 4916 6514 7374 9771 13028 14748 15977 19542 31954 39084 42341 47931 63908 84682 95862 127023 169364 191724 254046 508092 4002853 8005706 12008559 16011412 24017118 48034236 52037089 104074178 156111267 208148356 312222534 624445068