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630216473 = 2294875651
BaseRepresentation
bin100101100100000…
…101011100011001
31121220212022110212
4211210011130121
52242313411343
6142311420505
721421515545
oct4544053431
91556768425
10630216473
112a3816a67
12157084735
13a0748273
145d9b0a25
153a4dac18
hex25905719

630216473 has 8 divisors (see below), whose sum is σ = 634380480. Its totient is φ = 626065200.

The previous prime is 630216463. The next prime is 630216511. The reversal of 630216473 is 374612036.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-630216473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630216463) 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, 108698 + ... + 114348.

It is an arithmetic number, because the mean of its divisors is an integer number (79297560).

Almost surely, 2630216473 is an apocalyptic number.

It is an amenable number.

630216473 is a deficient number, since it is larger than the sum of its proper divisors (4164007).

630216473 is a wasteful number, since it uses less digits than its factorization.

630216473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6367.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 630216473 is about 25104.1126710346. The cubic root of 630216473 is about 857.3600643170.

The spelling of 630216473 in words is "six hundred thirty million, two hundred sixteen thousand, four hundred seventy-three".

Divisors: 1 229 487 5651 111523 1294079 2752037 630216473