Base | Representation |
---|---|
bin | 101111110000000… |
… | …110100010000110 |
3 | 2001211111001212020 |
4 | 233300012202012 |
5 | 3120042420242 |
6 | 211255104010 |
7 | 25565365461 |
oct | 5760064206 |
9 | 2054431766 |
10 | 801138822 |
11 | 381249500 |
12 | 1a4372006 |
13 | c9c91353 |
14 | 785842d8 |
15 | 4a4ee6ec |
hex | 2fc06886 |
801138822 has 24 divisors (see below), whose sum is σ = 1761182808. Its totient is φ = 242769120.
The previous prime is 801138791. The next prime is 801138827. The reversal of 801138822 is 228831108.
It is a super-3 number, since 3×8011388223 (a number of 28 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (801138827) by changing a digit.
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 in 11 ways as a sum of consecutive naturals, for example, 551023 + ... + 552474.
It is an arithmetic number, because the mean of its divisors is an integer number (73382617).
Almost surely, 2801138822 is an apocalyptic number.
801138822 is an abundant number, since it is smaller than the sum of its proper divisors (960043986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
801138822 is a wasteful number, since it uses less digits than its factorization.
801138822 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1103524 (or 1103513 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 33.
The square root of 801138822 is about 28304.3958070120. The cubic root of 801138822 is about 928.7580531585.
The spelling of 801138822 in words is "eight hundred one million, one hundred thirty-eight thousand, eight hundred twenty-two".
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