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630532269 = 3510632441
BaseRepresentation
bin100101100101010…
…010100010101101
31121221110100200000
4211211102202231
52242404013034
6142322254513
721424302333
oct4545224255
91557410600
10630532269
112a3a12254
121571b7439
13a0828c23
145da53b53
153a54e599
hex259528ad

630532269 has 24 divisors (see below), whose sum is σ = 945776832. Its totient is φ = 419787360.

The previous prime is 630532237. The next prime is 630532303. The reversal of 630532269 is 962235036.

630532269 is a `hidden beast` number, since 63 + 0 + 532 + 2 + 69 = 666.

It is not a de Polignac number, because 630532269 - 25 = 630532237 is a prime.

It is a super-2 number, since 2×6305322692 = 795141884500576722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630532169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257089 + ... + 259529.

It is an arithmetic number, because the mean of its divisors is an integer number (39407368).

Almost surely, 2630532269 is an apocalyptic number.

It is an amenable number.

630532269 is a deficient number, since it is larger than the sum of its proper divisors (315244563).

630532269 is a wasteful number, since it uses less digits than its factorization.

630532269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519 (or 3507 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 630532269 is about 25110.4016096916. The cubic root of 630532269 is about 857.5032456308.

The spelling of 630532269 in words is "six hundred thirty million, five hundred thirty-two thousand, two hundred sixty-nine".

Divisors: 1 3 9 27 81 243 1063 2441 3189 7323 9567 21969 28701 65907 86103 197721 258309 593163 2594783 7784349 23353047 70059141 210177423 630532269