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630740327 = 790105761
BaseRepresentation
bin100101100110000…
…101010101100111
31121221211221001212
4211212011111213
52242432142302
6142330542035
721426130040
oct4546052547
91557757055
10630740327
112a40445a8
1215729791b
13a089c839
145daa98c7
153a591052
hex25985567

630740327 has 4 divisors (see below), whose sum is σ = 720846096. Its totient is φ = 540634560.

The previous prime is 630740317. The next prime is 630740347. The reversal of 630740327 is 723047036.

630740327 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 630740327 - 26 = 630740263 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630740293 and 630740302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630740317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45052874 + ... + 45052887.

It is an arithmetic number, because the mean of its divisors is an integer number (180211524).

Almost surely, 2630740327 is an apocalyptic number.

630740327 is a deficient number, since it is larger than the sum of its proper divisors (90105769).

630740327 is an equidigital number, since it uses as much as digits as its factorization.

630740327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90105768.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 630740327 is about 25114.5441328327. The cubic root of 630740327 is about 857.5975526151.

The spelling of 630740327 in words is "six hundred thirty million, seven hundred forty thousand, three hundred twenty-seven".

Divisors: 1 7 90105761 630740327