Base | Representation |
---|---|
bin | 110001100010010… |
… | …110001001100001 |
3 | 2010220211121022110 |
4 | 301202112021201 |
5 | 3200224242301 |
6 | 214245025533 |
7 | 26411060520 |
oct | 6142261141 |
9 | 2126747273 |
10 | 831087201 |
11 | 39714412a |
12 | 1b23b52a9 |
13 | 103248999 |
14 | 7c53c4b7 |
15 | 4ce680d6 |
hex | 31896261 |
831087201 has 8 divisors (see below), whose sum is σ = 1266418624. Its totient is φ = 474906960.
The previous prime is 831087199. The next prime is 831087203. The reversal of 831087201 is 102780138.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (831087199) and next prime (831087203).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 831087201 - 21 = 831087199 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (831087203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19787770 + ... + 19787811.
It is an arithmetic number, because the mean of its divisors is an integer number (158302328).
Almost surely, 2831087201 is an apocalyptic number.
It is an amenable number.
831087201 is a deficient number, since it is larger than the sum of its proper divisors (435331423).
831087201 is a wasteful number, since it uses less digits than its factorization.
831087201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39575591.
The product of its (nonzero) digits is 2688, while the sum is 30.
The square root of 831087201 is about 28828.5830557105. The cubic root of 831087201 is about 940.1897915401.
It can be divided in two parts, 83108 and 7201, that added together give a palindrome (90309).
The spelling of 831087201 in words is "eight hundred thirty-one million, eighty-seven thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •