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842013824 = 2722728979
BaseRepresentation
bin110010001100000…
…001110010000000
32011200101201211012
4302030001302000
53211023420244
6215315140052
726602666541
oct6214016200
92150351735
10842013824
113a23274a3
121b5ba4628
131055a3242
147db844c8
154ddc589e
hex32301c80

842013824 has 32 divisors (see below), whose sum is σ = 1684897200. Its totient is φ = 419137792.

The previous prime is 842013793. The next prime is 842013863. The reversal of 842013824 is 428310248.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14567 + ... + 43545.

Almost surely, 2842013824 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 842013824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842448600).

842013824 is an abundant number, since it is smaller than the sum of its proper divisors (842883376).

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

842013824 is a wasteful number, since it uses less digits than its factorization.

842013824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29220 (or 29208 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 842013824 is about 29017.4744593667. The cubic root of 842013824 is about 944.2922106012.

The spelling of 842013824 in words is "eight hundred forty-two million, thirteen thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 16 32 64 128 227 454 908 1816 3632 7264 14528 28979 29056 57958 115916 231832 463664 927328 1854656 3709312 6578233 13156466 26312932 52625864 105251728 210503456 421006912 842013824