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630610234 = 2389810553
BaseRepresentation
bin100101100101100…
…101100100111010
31121221121022121121
4211211211210322
52242414011414
6142324055454
721425045542
oct4545454472
91557538547
10630610234
112a3a65891
1215723458a
13a0855567
145da74322
153a567724
hex2596593a

630610234 has 8 divisors (see below), whose sum is σ = 948348180. Its totient is φ = 314494176.

The previous prime is 630610219. The next prime is 630610241. The reversal of 630610234 is 432016036.

630610234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 627352209 + 3258025 = 25047^2 + 1805^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 630610199 and 630610208.

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, 404499 + ... + 406054.

Almost surely, 2630610234 is an apocalyptic number.

630610234 is a deficient number, since it is larger than the sum of its proper divisors (317737946).

630610234 is a wasteful number, since it uses less digits than its factorization.

630610234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810944.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 630610234 is about 25111.9540060108. The cubic root of 630610234 is about 857.5385874568.

The spelling of 630610234 in words is "six hundred thirty million, six hundred ten thousand, two hundred thirty-four".

Divisors: 1 2 389 778 810553 1621106 315305117 630610234