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808301812 = 22318877349
BaseRepresentation
bin110000001011011…
…011010011110100
32002022221222122011
4300023123103310
53123411124222
6212112414004
726013311023
oct6013332364
92068858564
10808301812
113852a112a
121a6847304
13cb5cb7c6
14794ca8ba
154ae66c77
hex302db4f4

808301812 has 24 divisors (see below), whose sum is σ = 1462003200. Its totient is φ = 390619680.

The previous prime is 808301801. The next prime is 808301849. The reversal of 808301812 is 218103808.

808301812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106314 + ... + 113662.

It is an arithmetic number, because the mean of its divisors is an integer number (60916800).

Almost surely, 2808301812 is an apocalyptic number.

It is an amenable number.

808301812 is a deficient number, since it is larger than the sum of its proper divisors (653701388).

808301812 is a wasteful number, since it uses less digits than its factorization.

808301812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8271 (or 8269 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 808301812 is about 28430.6491659969. The cubic root of 808301812 is about 931.5178558830.

The spelling of 808301812 in words is "eight hundred eight million, three hundred one thousand, eight hundred twelve".

Divisors: 1 2 4 31 62 124 887 1774 3548 7349 14698 27497 29396 54994 109988 227819 455638 911276 6518563 13037126 26074252 202075453 404150906 808301812