Search a number
-
+
630310744 = 23711255549
BaseRepresentation
bin100101100100011…
…100011101011000
31121221001002210101
4211210130131120
52242324420434
6142313425144
721422360440
oct4544343530
91557032711
10630310744
112a3880878
1215710b1b4
13a077c14b
145d9d7120
153a508b14
hex2591c758

630310744 has 16 divisors (see below), whose sum is σ = 1350666000. Its totient is φ = 270133152.

The previous prime is 630310729. The next prime is 630310757. The reversal of 630310744 is 447013036.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5627719 + ... + 5627830.

It is an arithmetic number, because the mean of its divisors is an integer number (84416625).

Almost surely, 2630310744 is an apocalyptic number.

It is an amenable number.

630310744 is an abundant number, since it is smaller than the sum of its proper divisors (720355256).

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

630310744 is a wasteful number, since it uses less digits than its factorization.

630310744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11255562 (or 11255558 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 630310744 is about 25105.9902015435. The cubic root of 630310744 is about 857.4028116186.

The spelling of 630310744 in words is "six hundred thirty million, three hundred ten thousand, seven hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 11255549 22511098 45022196 78788843 90044392 157577686 315155372 630310744