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630606473 = 7471916737
BaseRepresentation
bin100101100101100…
…100101010001001
31121221121010110022
4211211210222021
52242413401343
6142324030225
721425031560
oct4545445211
91557533408
10630606473
112a3a62a82
12157232375
13a0853933
145da72bd7
153a566568
hex25964a89

630606473 has 8 divisors (see below), whose sum is σ = 736027392. Its totient is φ = 529019136.

The previous prime is 630606437. The next prime is 630606511. The reversal of 630606473 is 374606036.

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 630606473 - 214 = 630590089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630606373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958040 + ... + 958697.

It is an arithmetic number, because the mean of its divisors is an integer number (92003424).

Almost surely, 2630606473 is an apocalyptic number.

It is an amenable number.

630606473 is a deficient number, since it is larger than the sum of its proper divisors (105420919).

630606473 is a wasteful number, since it uses less digits than its factorization.

630606473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916791.

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 630606473 is about 25111.8791212446. The cubic root of 630606473 is about 857.5368826483.

The spelling of 630606473 in words is "six hundred thirty million, six hundred six thousand, four hundred seventy-three".

Divisors: 1 7 47 329 1916737 13417159 90086639 630606473