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630616039 = 4115380879
BaseRepresentation
bin100101100101100…
…110111111100111
31121221121121120121
4211211212333213
52242414203124
6142324142411
721425101504
oct4545467747
91557547517
10630616039
112a3a6a189
12157237a07
13a08580b1
145da764ab
153a5692e4
hex25966fe7

630616039 has 4 divisors (see below), whose sum is σ = 645996960. Its totient is φ = 615235120.

The previous prime is 630616033. The next prime is 630616057. The reversal of 630616039 is 930616036.

It is a happy number.

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 630616039 - 23 = 630616031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630615995 and 630616013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630616031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7690399 + ... + 7690480.

It is an arithmetic number, because the mean of its divisors is an integer number (161499240).

Almost surely, 2630616039 is an apocalyptic number.

630616039 is a deficient number, since it is larger than the sum of its proper divisors (15380921).

630616039 is a wasteful number, since it uses less digits than its factorization.

630616039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15380920.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 630616039 is about 25112.0695881482. The cubic root of 630616039 is about 857.5412187685.

The spelling of 630616039 in words is "six hundred thirty million, six hundred sixteen thousand, thirty-nine".

Divisors: 1 41 15380879 630616039