Base | Representation |
---|---|
bin | 101111101111110… |
… | …000011101000110 |
3 | 2001211022110210220 |
4 | 233233300131012 |
5 | 3120032022030 |
6 | 211253125210 |
7 | 25564541022 |
oct | 5757603506 |
9 | 2054273726 |
10 | 801048390 |
11 | 38119756a |
12 | 1a4329806 |
13 | c9c5c13c |
14 | 7855d382 |
15 | 4a4d2a10 |
hex | 2fbf0746 |
801048390 has 32 divisors (see below), whose sum is σ = 1927134720. Its totient is φ = 213099744.
The previous prime is 801048389. The next prime is 801048403. The reversal of 801048390 is 93840108.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19294 + ... + 44433.
It is an arithmetic number, because the mean of its divisors is an integer number (60222960).
Almost surely, 2801048390 is an apocalyptic number.
801048390 is an abundant number, since it is smaller than the sum of its proper divisors (1126086330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
801048390 is a wasteful number, since it uses less digits than its factorization.
801048390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64156.
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 801048390 is about 28302.7982715491. The cubic root of 801048390 is about 928.7231059865.
Adding to 801048390 its reverse (93840108), we get a palindrome (894888498).
The spelling of 801048390 in words is "eight hundred one million, forty-eight thousand, three hundred ninety".
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