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801464820 = 2235131027519
BaseRepresentation
bin101111110001010…
…110000111110100
32001212002122001020
4233301112013310
53120133333240
6211310101140
725601224062
oct5761260764
92055078036
10801464820
11381451422
121a44aa7b0
13ca076850
147862b032
154a5660d0
hex2fc561f4

801464820 has 48 divisors (see below), whose sum is σ = 2416727040. Its totient is φ = 197283456.

The previous prime is 801464819. The next prime is 801464863. The reversal of 801464820 is 28464108.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 512980 + ... + 514539.

It is an arithmetic number, because the mean of its divisors is an integer number (50348480).

Almost surely, 2801464820 is an apocalyptic number.

It is an amenable number.

801464820 is an abundant number, since it is smaller than the sum of its proper divisors (1615262220).

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

801464820 is a wasteful number, since it uses less digits than its factorization.

801464820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027544 (or 1027542 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 801464820 is about 28310.1540087651. The cubic root of 801464820 is about 928.8840122727.

The spelling of 801464820 in words is "eight hundred one million, four hundred sixty-four thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 1027519 2055038 3082557 4110076 5137595 6165114 10275190 12330228 13357747 15412785 20550380 26715494 30825570 40073241 53430988 61651140 66788735 80146482 133577470 160292964 200366205 267154940 400732410 801464820