Base | Representation |
---|---|
bin | 11000011100100000111 |
3 | 1111200210211 |
4 | 3003210013 |
5 | 201113111 |
6 | 25100251 |
7 | 6544240 |
oct | 3034407 |
9 | 1450724 |
10 | 801031 |
11 | 4a7910 |
12 | 327687 |
13 | 2207aa |
14 | 16bcc7 |
15 | 10c521 |
hex | c3907 |
801031 has 16 divisors (see below), whose sum is σ = 1018368. Its totient is φ = 612000.
The previous prime is 801019. The next prime is 801037. The reversal of 801031 is 130108.
It is a cyclic number.
It is not a de Polignac number, because 801031 - 25 = 800999 is a prime.
It is a super-2 number, since 2×8010312 = 1283301325922, which contains 22 as substring.
It is a Duffinian number.
801031 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (801037) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7726 + ... + 7828.
It is an arithmetic number, because the mean of its divisors is an integer number (63648).
2801031 is an apocalyptic number.
801031 is a deficient number, since it is larger than the sum of its proper divisors (217337).
801031 is a wasteful number, since it uses less digits than its factorization.
801031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 222.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 801031 is about 895.0033519490. The cubic root of 801031 is about 92.8716385372.
Adding to 801031 its reverse (130108), we get a palindrome (931139).
It can be divided in two parts, 80 and 1031, that added together give a palindrome (1111).
The spelling of 801031 in words is "eight hundred one thousand, thirty-one".
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