Search a number
-
+
808436812 = 22202109203
BaseRepresentation
bin110000001011111…
…100010001001100
32002100012211211011
4300023330101030
53123424434222
6212115335004
726014412431
oct6013742114
92070184734
10808436812
113853835a7
121a68b1464
13cb6480a1
1479523b88
154ae91c77
hex302fc44c

808436812 has 6 divisors (see below), whose sum is σ = 1414764428. Its totient is φ = 404218404.

The previous prime is 808436777. The next prime is 808436861. The reversal of 808436812 is 218634808.

It is a super-3 number, since 3×8084368123 (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 101054598 + ... + 101054605.

Almost surely, 2808436812 is an apocalyptic number.

It is an amenable number.

808436812 is a deficient number, since it is larger than the sum of its proper divisors (606327616).

808436812 is a wasteful number, since it uses less digits than its factorization.

808436812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202109207 (or 202109205 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 808436812 is about 28433.0232652105. The cubic root of 808436812 is about 931.5697127135.

The spelling of 808436812 in words is "eight hundred eight million, four hundred thirty-six thousand, eight hundred twelve".

Divisors: 1 2 4 202109203 404218406 808436812