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630527803 = 532224467
BaseRepresentation
bin100101100101010…
…001011100111011
31121221110010112121
4211211101130323
52242403342203
6142322222111
721424253323
oct4545213473
91557403477
10630527803
112a3a09964
121571b4937
13a0826b99
145da52283
153a54d0bd
hex2595173b

630527803 has 6 divisors (see below), whose sum is σ = 642651884. Its totient is φ = 618628296.

The previous prime is 630527789. The next prime is 630527837. The reversal of 630527803 is 308725036.

It is not a de Polignac number, because 630527803 - 25 = 630527771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630527003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109425 + ... + 115042.

Almost surely, 2630527803 is an apocalyptic number.

630527803 is a deficient number, since it is larger than the sum of its proper divisors (12124081).

630527803 is an equidigital number, since it uses as much as digits as its factorization.

630527803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224573 (or 224520 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 630527803 is about 25110.3126822427. The cubic root of 630527803 is about 857.5012210881.

The spelling of 630527803 in words is "six hundred thirty million, five hundred twenty-seven thousand, eight hundred three".

Divisors: 1 53 2809 224467 11896751 630527803