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630517047 = 3648132429
BaseRepresentation
bin100101100101001…
…110110100110111
31121221102120210020
4211211032310313
52242403021142
6142322100223
721424210056
oct4545166467
91557376706
10630517047
112a3a01876
121571aa673
13a0822014
145da4c39d
153a549cec
hex2594ed37

630517047 has 8 divisors (see below), whose sum is σ = 840845040. Its totient is φ = 420266880.

The previous prime is 630517031. The next prime is 630517049. The reversal of 630517047 is 740715036.

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

It is not a de Polignac number, because 630517047 - 24 = 630517031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 630516999 and 630517017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630517049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3229 + ... + 35657.

It is an arithmetic number, because the mean of its divisors is an integer number (105105630).

Almost surely, 2630517047 is an apocalyptic number.

630517047 is a deficient number, since it is larger than the sum of its proper divisors (210327993).

630517047 is a wasteful number, since it uses less digits than its factorization.

630517047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38913.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 630517047 is about 25110.0985063779. The cubic root of 630517047 is about 857.4963451014.

The spelling of 630517047 in words is "six hundred thirty million, five hundred seventeen thousand, forty-seven".

Divisors: 1 3 6481 19443 32429 97287 210172349 630517047