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630608835 = 3542599871
BaseRepresentation
bin100101100101100…
…101001111000011
31121221121020200210
4211211211033003
52242413440320
6142324045203
721425041503
oct4545451703
91557536623
10630608835
112a3a6482a
12157233803
13a0854a2c
145da73a03
153a5670e0
hex259653c3

630608835 has 16 divisors (see below), whose sum is σ = 1009313280. Its totient is φ = 336211680.

The previous prime is 630608833. The next prime is 630608843. The reversal of 630608835 is 538806036.

630608835 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 630608835 - 21 = 630608833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 630608793 and 630608802.

It is not an unprimeable number, because it can be changed into a prime (630608831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58950 + ... + 68820.

It is an arithmetic number, because the mean of its divisors is an integer number (63082080).

Almost surely, 2630608835 is an apocalyptic number.

630608835 is a deficient number, since it is larger than the sum of its proper divisors (378704445).

630608835 is a wasteful number, since it uses less digits than its factorization.

630608835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14138.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 630608835 is about 25111.9261507356. The cubic root of 630608835 is about 857.5379533106.

The spelling of 630608835 in words is "six hundred thirty million, six hundred eight thousand, eight hundred thirty-five".

Divisors: 1 3 5 15 4259 9871 12777 21295 29613 49355 63885 148065 42040589 126121767 210202945 630608835