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801430828 = 221131158567
BaseRepresentation
bin101111110001001…
…101110100101100
32001212000220102021
4233301031310230
53120131241303
6211305235524
725601023012
oct5761156454
92055026367
10801430828
11381428930
121a4492ba4
13ca064233
147861c8b2
154a55aebd
hex2fc4dd2c

801430828 has 24 divisors (see below), whose sum is σ = 1534950144. Its totient is φ = 363109200.

The previous prime is 801430823. The next prime is 801430831. The reversal of 801430828 is 828034108.

It is a junction number, because it is equal to n+sod(n) for n = 801430793 and 801430802.

It is not an unprimeable number, because it can be changed into a prime (801430823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15600 + ... + 42967.

It is an arithmetic number, because the mean of its divisors is an integer number (63956256).

Almost surely, 2801430828 is an apocalyptic number.

It is an amenable number.

801430828 is a deficient number, since it is larger than the sum of its proper divisors (733519316).

801430828 is a wasteful number, since it uses less digits than its factorization.

801430828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58893 (or 58891 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 801430828 is about 28309.5536524333. The cubic root of 801430828 is about 928.8708800383.

The spelling of 801430828 in words is "eight hundred one million, four hundred thirty thousand, eight hundred twenty-eight".

Divisors: 1 2 4 11 22 44 311 622 1244 3421 6842 13684 58567 117134 234268 644237 1288474 2576948 18214337 36428674 72857348 200357707 400715414 801430828