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808431299 = 13312006033
BaseRepresentation
bin110000001011111…
…010111011000011
32002100012120020222
4300023322323003
53123424300144
6212115253255
726014360364
oct6013727303
92070176228
10808431299
1138537a445
121a68aa22b
13cb645720
1479521b6b
154ae902ee
hex302faec3

808431299 has 8 divisors (see below), whose sum is σ = 898703232. Its totient is φ = 722171520.

The previous prime is 808431293. The next prime is 808431307. The reversal of 808431299 is 992134808.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 808431299 - 212 = 808427203 is a prime.

It is a super-2 number, since 2×8084312992 = 1307122330405654802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (808431293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002614 + ... + 1003419.

It is an arithmetic number, because the mean of its divisors is an integer number (112337904).

Almost surely, 2808431299 is an apocalyptic number.

808431299 is a deficient number, since it is larger than the sum of its proper divisors (90271933).

808431299 is a wasteful number, since it uses less digits than its factorization.

808431299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006077.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 808431299 is about 28432.9263179153. The cubic root of 808431299 is about 931.5675951473.

The spelling of 808431299 in words is "eight hundred eight million, four hundred thirty-one thousand, two hundred ninety-nine".

Divisors: 1 13 31 403 2006033 26078429 62187023 808431299