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630316260 = 22325719113233
BaseRepresentation
bin100101100100011…
…101110011100100
31121221001101100200
4211210131303210
52242330110020
6142313510500
721422412510
oct4544356344
91557041320
10630316260
112a3884a32
12157112430
13a0781802
145d9d9140
153a50a590
hex2591dce4

630316260 has 288 divisors, whose sum is σ = 2330415360. Its totient is φ = 134701056.

The previous prime is 630316249. The next prime is 630316277. The reversal of 630316260 is 62613036.

630316260 is a `hidden beast` number, since 6 + 3 + 0 + 31 + 626 + 0 = 666.

630316260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2705104 + ... + 2705336.

It is an arithmetic number, because the mean of its divisors is an integer number (8091720).

Almost surely, 2630316260 is an apocalyptic number.

630316260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630316260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1165207680).

630316260 is an abundant number, since it is smaller than the sum of its proper divisors (1700099100).

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

630316260 is a wasteful number, since it uses less digits than its factorization.

630316260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 630316260 is about 25106.1000555642. The cubic root of 630316260 is about 857.4053127236.

Adding to 630316260 its reverse (62613036), we get a palindrome (692929296).

The spelling of 630316260 in words is "six hundred thirty million, three hundred sixteen thousand, two hundred sixty".