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629620992 = 28337211132
BaseRepresentation
bin100101100001110…
…100000100000000
31121212202001122000
4211201310010000
52242140332432
6142250544000
721413455500
oct4541640400
91555661560
10629620992
112a344a630
12156a38000
13a059a200
145d897a00
153a41e57c
hex25874100

629620992 has 648 divisors, whose sum is σ = 2558515680. Its totient is φ = 150958080.

The previous prime is 629620991. The next prime is 629621009. The reversal of 629620992 is 299026926.

It is not an unprimeable number, because it can be changed into a prime (629620991) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 48432378 + ... + 48432390.

Almost surely, 2629620992 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 629620992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1279257840).

629620992 is an abundant number, since it is smaller than the sum of its proper divisors (1928894688).

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

629620992 is a wasteful number, since it uses less digits than its factorization.

629620992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 629620992 is about 25092.2496400781. The cubic root of 629620992 is about 857.0899441622.

The spelling of 629620992 in words is "six hundred twenty-nine million, six hundred twenty thousand, nine hundred ninety-two".