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807628842 = 232223201203
BaseRepresentation
bin110000001000110…
…111000000101010
32002021200210111100
4300020313000222
53123223110332
6212050142230
726004506016
oct6010670052
92067623440
10807628842
11384981559
121a6581976
13cb4243b7
1479393546
154ad8267c
hex3023702a

807628842 has 24 divisors (see below), whose sum is σ = 1757718144. Its totient is φ = 268001064.

The previous prime is 807628813. The next prime is 807628849. The reversal of 807628842 is 248826708.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (807628849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96588 + ... + 104615.

It is an arithmetic number, because the mean of its divisors is an integer number (73238256).

Almost surely, 2807628842 is an apocalyptic number.

807628842 is an abundant number, since it is smaller than the sum of its proper divisors (950089302).

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

807628842 is a wasteful number, since it uses less digits than its factorization.

807628842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201434 (or 201431 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 807628842 is about 28418.8114107540. The cubic root of 807628842 is about 931.2592653343.

The spelling of 807628842 in words is "eight hundred seven million, six hundred twenty-eight thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 18 223 446 669 1338 2007 4014 201203 402406 603609 1207218 1810827 3621654 44868269 89736538 134604807 269209614 403814421 807628842