Search a number
-
+
630044324 = 227131730891
BaseRepresentation
bin100101100011011…
…011011010100100
31121220112120022222
4211203123122210
52242242404244
6142304011512
721420200630
oct4543333244
91556476288
10630044324
112a3709698
12157000b98
13a06b7ac0
145d967dc0
153a4a4bee
hex258db6a4

630044324 has 24 divisors (see below), whose sum is σ = 1357019328. Its totient is φ = 249248160.

The previous prime is 630044309. The next prime is 630044357. The reversal of 630044324 is 423440036.

630044324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 630044293 and 630044302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865082 + ... + 865809.

It is an arithmetic number, because the mean of its divisors is an integer number (56542472).

Almost surely, 2630044324 is an apocalyptic number.

It is an amenable number.

630044324 is an abundant number, since it is smaller than the sum of its proper divisors (726975004).

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

630044324 is a wasteful number, since it uses less digits than its factorization.

630044324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730915 (or 1730913 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 630044324 is about 25100.6837357073. The cubic root of 630044324 is about 857.2819921387.

The spelling of 630044324 in words is "six hundred thirty million, forty-four thousand, three hundred twenty-four".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 1730891 3461782 6923564 12116237 22501583 24232474 45003166 48464948 90006332 157511081 315022162 630044324