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630144116 = 22723215021
BaseRepresentation
bin100101100011110…
…011110001110100
31121220201122012222
4211203303301310
52242304102431
6142310101512
721421064600
oct4543636164
91556648188
10630144116
112a3777668
1215704a898
13a0721354
145d992500
153a4c457b
hex258f3c74

630144116 has 18 divisors (see below), whose sum is σ = 1282793778. Its totient is φ = 270061680.

The previous prime is 630144071. The next prime is 630144121. The reversal of 630144116 is 611441036.

It can be written as a sum of positive squares in only one way, i.e., 386908900 + 243235216 = 19670^2 + 15596^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1607315 + ... + 1607706.

It is an arithmetic number, because the mean of its divisors is an integer number (71266321).

Almost surely, 2630144116 is an apocalyptic number.

It is an amenable number.

630144116 is an abundant number, since it is smaller than the sum of its proper divisors (652649662).

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

630144116 is a wasteful number, since it uses less digits than its factorization.

630144116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215039 (or 3215030 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 630144116 is about 25102.6714912975. The cubic root of 630144116 is about 857.3272510541.

The spelling of 630144116 in words is "six hundred thirty million, one hundred forty-four thousand, one hundred sixteen".

Divisors: 1 2 4 7 14 28 49 98 196 3215021 6430042 12860084 22505147 45010294 90020588 157536029 315072058 630144116