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630572423 = 1358782633
BaseRepresentation
bin100101100101011…
…100010110000111
31121221112101202012
4211211130112013
52242411304143
6142323204435
721424530365
oct4545342607
91557471665
10630572423
112a3a3a438
1215721671b
13a08412a0
145da64635
153a55b418
hex2595c587

630572423 has 8 divisors (see below), whose sum is σ = 680243088. Its totient is φ = 581068224.

The previous prime is 630572413. The next prime is 630572447. The reversal of 630572423 is 324275036.

630572423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 630572423 - 26 = 630572359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 630572423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630572413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33686 + ... + 48947.

It is an arithmetic number, because the mean of its divisors is an integer number (85030386).

Almost surely, 2630572423 is an apocalyptic number.

630572423 is a deficient number, since it is larger than the sum of its proper divisors (49670665).

630572423 is a wasteful number, since it uses less digits than its factorization.

630572423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83233.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 630572423 is about 25111.2011461021. The cubic root of 630572423 is about 857.5214479530.

The spelling of 630572423 in words is "six hundred thirty million, five hundred seventy-two thousand, four hundred twenty-three".

Divisors: 1 13 587 7631 82633 1074229 48505571 630572423