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630313100 = 225253118927
BaseRepresentation
bin100101100100011…
…101000010001100
31121221001020000122
4211210131002030
52242330004400
6142313444112
721422400344
oct4544350214
91557036018
10630313100
112a388261a
12157110638
13a0780241
145d9d7d24
153a509685
hex2591d08c

630313100 has 36 divisors (see below), whose sum is σ = 1393598304. Its totient is φ = 247366080.

The previous prime is 630313037. The next prime is 630313147. The reversal of 630313100 is 1313036.

It is a super-2 number, since 2×6303131002 = 794589208063220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54164 + ... + 64763.

It is an arithmetic number, because the mean of its divisors is an integer number (38711064).

Almost surely, 2630313100 is an apocalyptic number.

It is an amenable number.

630313100 is an abundant number, since it is smaller than the sum of its proper divisors (763285204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630313100 is a wasteful number, since it uses less digits than its factorization.

630313100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118994 (or 118987 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 630313100 is about 25106.0371225727. The cubic root of 630313100 is about 857.4038798951.

Adding to 630313100 its reverse (1313036), we get a palindrome (631626136).

The spelling of 630313100 in words is "six hundred thirty million, three hundred thirteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 53 100 106 212 265 530 1060 1325 2650 5300 118927 237854 475708 594635 1189270 2378540 2973175 5946350 6303131 11892700 12606262 25212524 31515655 63031310 126062620 157578275 315156550 630313100