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BaseRepresentation
bin101111110000100…
…000001100001000
32001211200102000110
4233300200030020
53120104301122
6211301234320
725566314040
oct5760401410
92054612013
10801243912
11381310457
121a44029a0
13c9cca131
14785b0720
154a52090c
hex2fc20308

801243912 has 128 divisors (see below), whose sum is σ = 2352844800. Its totient is φ = 222663168.

The previous prime is 801243899. The next prime is 801243931. The reversal of 801243912 is 219342108.

It is a self number, because there is not a number n which added to its sum of digits gives 801243912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 968443 + ... + 969269.

It is an arithmetic number, because the mean of its divisors is an integer number (18381600).

Almost surely, 2801243912 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 801243912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1176422400).

801243912 is an abundant number, since it is smaller than the sum of its proper divisors (1551600888).

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

801243912 is a wasteful number, since it uses less digits than its factorization.

801243912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 801243912 is about 28306.2521715610. The cubic root of 801243912 is about 928.7986615665.

The spelling of 801243912 in words is "eight hundred one million, two hundred forty-three thousand, nine hundred twelve".