Search a number
-
+
630089388 = 223319732957
BaseRepresentation
bin100101100011100…
…110011010101100
31121220121212011000
4211203212122230
52242300330023
6142305000300
721420446205
oct4543463254
91556555130
10630089388
112a373a535
12157023090
13a0702476
145d97a5ac
153a4b3243
hex258e66ac

630089388 has 48 divisors (see below), whose sum is σ = 1634945760. Its totient is φ = 209852352.

The previous prime is 630089371. The next prime is 630089389. The reversal of 630089388 is 883980036.

630089388 is a `hidden beast` number, since 630 + 0 + 8 + 9 + 3 + 8 + 8 = 666.

630089388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (630089389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211606 + ... + 214562.

It is an arithmetic number, because the mean of its divisors is an integer number (34061370).

Almost surely, 2630089388 is an apocalyptic number.

It is an amenable number.

630089388 is an abundant number, since it is smaller than the sum of its proper divisors (1004856372).

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

630089388 is a wasteful number, since it uses less digits than its factorization.

630089388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943 (or 4935 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 630089388 is about 25101.5813844467. The cubic root of 630089388 is about 857.3024307190.

The spelling of 630089388 in words is "six hundred thirty million, eighty-nine thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 1973 2957 3946 5914 5919 7892 8871 11828 11838 17742 17757 23676 26613 35484 35514 53226 53271 71028 79839 106452 106542 159678 213084 319356 5834161 11668322 17502483 23336644 35004966 52507449 70009932 105014898 157522347 210029796 315044694 630089388