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808468297 = 72131967997
BaseRepresentation
bin110000001100000…
…011111101001001
32002100021110000021
4300030003331021
53123431441142
6212120140441
726014603300
oct6014037511
92070243007
10808468297
113853a521a
121a6907721
13cb659510
1479531437
154ae9b267
hex30303f49

808468297 has 48 divisors (see below), whose sum is σ = 1083109440. Its totient is φ = 596356992.

The previous prime is 808468279. The next prime is 808468343. The reversal of 808468297 is 792864808.

It is not a de Polignac number, because 808468297 - 219 = 807944009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (808468237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 810403 + ... + 811399.

It is an arithmetic number, because the mean of its divisors is an integer number (22564780).

Almost surely, 2808468297 is an apocalyptic number.

It is an amenable number.

808468297 is a deficient number, since it is larger than the sum of its proper divisors (274641143).

808468297 is a wasteful number, since it uses less digits than its factorization.

808468297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The square root of 808468297 is about 28433.5769293981. The cubic root of 808468297 is about 931.5818060486.

The spelling of 808468297 in words is "eight hundred eight million, four hundred sixty-eight thousand, two hundred ninety-seven".

Divisors: 1 7 13 19 49 67 91 133 247 469 637 871 931 997 1273 1729 3283 6097 6979 8911 12103 12961 16549 18943 42679 48853 62377 66799 90727 115843 132601 246259 467593 635089 810901 868387 928207 1269181 1723813 3273151 6078709 8884267 12066691 16499353 42550963 62189869 115495471 808468297