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836229064 = 231121922393
BaseRepresentation
bin110001110101111…
…101011111001000
32011021111211121211
4301311331133020
53203033312224
6214551142504
726502554416
oct6165753710
92137454554
10836229064
1139a036300
121b4074a34
131043291c8
147d0ba2b6
154d631894
hex31d7d7c8

836229064 has 72 divisors (see below), whose sum is σ = 1819667430. Its totient is φ = 359948160.

The previous prime is 836229019. The next prime is 836229151. The reversal of 836229064 is 460922638.

It can be written as a sum of positive squares in only one way, i.e., 831860964 + 4368100 = 28842^2 + 2090^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 348252 + ... + 350644.

Almost surely, 2836229064 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 836229064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (909833715).

836229064 is an abundant number, since it is smaller than the sum of its proper divisors (983438366).

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

836229064 is a wasteful number, since it uses less digits than its factorization.

836229064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459 (or 2425 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 836229064 is about 28917.6254903476. The cubic root of 836229064 is about 942.1247635351.

The spelling of 836229064 in words is "eight hundred thirty-six million, two hundred twenty-nine thousand, sixty-four".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 121 152 209 242 361 418 484 722 836 968 1444 1672 2299 2393 2888 3971 4598 4786 7942 9196 9572 15884 18392 19144 26323 31768 43681 45467 52646 87362 90934 105292 174724 181868 210584 289553 349448 363736 500137 579106 863873 1000274 1158212 1727746 2000548 2316424 3455492 4001096 5501507 6910984 9502603 11003014 19005206 22006028 38010412 44012056 76020824 104528633 209057266 418114532 836229064