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630196252 = 22723678761
BaseRepresentation
bin100101100100000…
…000100000011100
31121220211021201221
4211210000200130
52242312240002
6142311143124
721421402600
oct4544004034
91556737657
10630196252
112a3802854
12157074aa4
13a073bcba
145d9a7500
153a4d4c37
hex2590081c

630196252 has 36 divisors (see below), whose sum is σ = 1286541984. Its totient is φ = 269317440.

The previous prime is 630196219. The next prime is 630196271. The reversal of 630196252 is 252691036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67552 + ... + 76312.

Almost surely, 2630196252 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 630196252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643270992).

630196252 is an abundant number, since it is smaller than the sum of its proper divisors (656345732).

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

630196252 is a wasteful number, since it uses less digits than its factorization.

630196252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9146 (or 9137 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 630196252 is about 25103.7099250290. The cubic root of 630196252 is about 857.3508945243.

The spelling of 630196252 in words is "six hundred thirty million, one hundred ninety-six thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 49 98 196 367 734 1468 2569 5138 8761 10276 17522 17983 35044 35966 61327 71932 122654 245308 429289 858578 1717156 3215287 6430574 12861148 22507009 45014018 90028036 157549063 315098126 630196252