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630086506 = 2773616523
BaseRepresentation
bin100101100011100…
…101101101101010
31121220121201012021
4211203211231222
52242300232011
6142304535054
721420434620
oct4543455552
91556551167
10630086506
112a3738355
1215702148a
13a070106a
145d979510
153a4b2471
hex258e5b6a

630086506 has 16 divisors (see below), whose sum is σ = 1094946624. Its totient is φ = 266337504.

The previous prime is 630086503. The next prime is 630086533. The reversal of 630086506 is 605680036.

It is not an unprimeable number, because it can be changed into a prime (630086503) 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, 307240 + ... + 309283.

It is an arithmetic number, because the mean of its divisors is an integer number (68434164).

Almost surely, 2630086506 is an apocalyptic number.

630086506 is a deficient number, since it is larger than the sum of its proper divisors (464860118).

630086506 is a wasteful number, since it uses less digits than its factorization.

630086506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616605.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 630086506 is about 25101.5239776393. The cubic root of 630086506 is about 857.3011236297.

The spelling of 630086506 in words is "six hundred thirty million, eighty-six thousand, five hundred six".

Divisors: 1 2 7 14 73 146 511 1022 616523 1233046 4315661 8631322 45006179 90012358 315043253 630086506