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630043344 = 243271967491
BaseRepresentation
bin100101100011011…
…011001011010000
31121220112111222200
4211203123023100
52242242341334
6142304003200
721420165030
oct4543331320
91556474880
10630043344
112a3708987
12157000500
13a06b7518
145d9678c0
153a4a4799
hex258db2d0

630043344 has 240 divisors, whose sum is σ = 2157242880. Its totient is φ = 167650560.

The previous prime is 630043339. The next prime is 630043369. The reversal of 630043344 is 443340036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1282939 + ... + 1283429.

It is an arithmetic number, because the mean of its divisors is an integer number (8988512).

Almost surely, 2630043344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630043344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1078621440).

630043344 is an abundant number, since it is smaller than the sum of its proper divisors (1527199536).

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

630043344 is a wasteful number, since it uses less digits than its factorization.

630043344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 630043344 is about 25100.6642143191. The cubic root of 630043344 is about 857.2815476531.

The spelling of 630043344 in words is "six hundred thirty million, forty-three thousand, three hundred forty-four".