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630068754 = 237213715643
BaseRepresentation
bin100101100011100…
…001011000010010
31121220120210211210
4211203201120102
52242244200004
6142304320550
721420332100
oct4543413022
91556523753
10630068754
112a3725a87
12157013156
13a06c5c63
145d972c70
153a4ac089
hex258e1612

630068754 has 48 divisors (see below), whose sum is σ = 1476668448. Its totient is φ = 178694208.

The previous prime is 630068753. The next prime is 630068759. The reversal of 630068754 is 457860036.

It is a super-2 number, since 2×6300687542 = 793973269534225032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (630068753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32457 + ... + 48099.

It is an arithmetic number, because the mean of its divisors is an integer number (30763926).

Almost surely, 2630068754 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630068754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738334224).

630068754 is an abundant number, since it is smaller than the sum of its proper divisors (846599694).

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

630068754 is a wasteful number, since it uses less digits than its factorization.

630068754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15799 (or 15792 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 630068754 is about 25101.1703711201. The cubic root of 630068754 is about 857.2930723794.

The spelling of 630068754 in words is "six hundred thirty million, sixty-eight thousand, seven hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 137 147 274 294 411 822 959 1918 2877 5754 6713 13426 15643 20139 31286 40278 46929 93858 109501 219002 328503 657006 766507 1533014 2143091 2299521 4286182 4599042 6429273 12858546 15001637 30003274 45004911 90009822 105011459 210022918 315034377 630068754