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630243000 = 233253239293
BaseRepresentation
bin100101100100001…
…011111010111000
31121220220122212100
4211210023322320
52242320234000
6142312143400
721421656102
oct4544137270
91556818770
10630243000
112a3834992
12157097b60
13a075736a
145d9ba572
153a4e3a00
hex2590beb8

630243000 has 192 divisors, whose sum is σ = 2146435200. Its totient is φ = 166790400.

The previous prime is 630242999. The next prime is 630243001. The reversal of 630243000 is 342036.

630243000 is a `hidden beast` number, since 630 + 2 + 4 + 30 + 0 + 0 = 666.

630243000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (630242999) and next prime (630243001).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630243001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2150854 + ... + 2151146.

It is an arithmetic number, because the mean of its divisors is an integer number (11179350).

Almost surely, 2630243000 is an apocalyptic number.

630243000 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 630243000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1073217600).

630243000 is an abundant number, since it is smaller than the sum of its proper divisors (1516192200).

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

630243000 is a wasteful number, since it uses less digits than its factorization.

630243000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 630243000 is about 25104.6410052006. The cubic root of 630243000 is about 857.3720934489.

Adding to 630243000 its reverse (342036), we get a palindrome (630585036).

The spelling of 630243000 in words is "six hundred thirty million, two hundred forty-three thousand".