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806669802 = 23244814989
BaseRepresentation
bin110000000101001…
…100110111101010
32002012220001221100
4300011030313222
53123001413202
6212013422230
725663403001
oct6005146752
92065801840
10806669802
11384386a64
121a619a976
13cb179a13
14791c3c38
154ac4341c
hex3014cdea

806669802 has 12 divisors (see below), whose sum is σ = 1747784610. Its totient is φ = 268889928.

The previous prime is 806669797. The next prime is 806669803. The reversal of 806669802 is 208966608.

It can be written as a sum of positive squares in only one way, i.e., 604717281 + 201952521 = 24591^2 + 14211^2 .

It is not an unprimeable number, because it can be changed into a prime (806669803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22407477 + ... + 22407512.

Almost surely, 2806669802 is an apocalyptic number.

806669802 is an abundant number, since it is smaller than the sum of its proper divisors (941114808).

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

806669802 is a wasteful number, since it uses less digits than its factorization.

806669802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44814997 (or 44814994 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 806669802 is about 28401.9330680149. The cubic root of 806669802 is about 930.8905032700.

The spelling of 806669802 in words is "eight hundred six million, six hundred sixty-nine thousand, eight hundred two".

Divisors: 1 2 3 6 9 18 44814989 89629978 134444967 268889934 403334901 806669802