Base | Representation |
---|---|
bin | 101111110110111… |
… | …000100111100110 |
3 | 2001221211101211200 |
4 | 233312320213212 |
5 | 3121021314323 |
6 | 211401143330 |
7 | 25616452263 |
oct | 5766704746 |
9 | 2057741750 |
10 | 802916838 |
11 | 382253339 |
12 | 1a4a8ab46 |
13 | ca464729 |
14 | 788c826a |
15 | 4a751443 |
hex | 2fdb89e6 |
802916838 has 24 divisors (see below), whose sum is σ = 1740180000. Its totient is φ = 267557904.
The previous prime is 802916837. The next prime is 802916857. The reversal of 802916838 is 838619208.
It is a junction number, because it is equal to n+sod(n) for n = 802916793 and 802916802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (802916837) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99603 + ... + 107361.
It is an arithmetic number, because the mean of its divisors is an integer number (72507500).
Almost surely, 2802916838 is an apocalyptic number.
802916838 is an abundant number, since it is smaller than the sum of its proper divisors (937263162).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
802916838 is a wasteful number, since it uses less digits than its factorization.
802916838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13516 (or 13513 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 45.
The square root of 802916838 is about 28335.7872309911. The cubic root of 802916838 is about 929.4446285238. Note that the first 3 decimals are identical.
The spelling of 802916838 in words is "eight hundred two million, nine hundred sixteen thousand, eight hundred thirty-eight".
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