Base | Representation |
---|---|
bin | 111011001011… |
… | …0101111010101 |
3 | 2011101021212001 |
4 | 1312112233111 |
5 | 30420314013 |
6 | 3024555301 |
7 | 524501125 |
oct | 166265725 |
9 | 64337761 |
10 | 31026133 |
11 | 16571436 |
12 | a482b31 |
13 | 6574078 |
14 | 4198c85 |
15 | 2accddd |
hex | 1d96bd5 |
31026133 has 8 divisors (see below), whose sum is σ = 32175360. Its totient is φ = 29886240.
The previous prime is 31026119. The next prime is 31026161. The reversal of 31026133 is 33162013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31026133 - 213 = 31017941 is a prime.
It is a Duffinian number.
It is a plaindrome in base 15.
It is a self number, because there is not a number n which added to its sum of digits gives 31026133.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31026113) 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, 4833 + ... + 9241.
It is an arithmetic number, because the mean of its divisors is an integer number (4021920).
Almost surely, 231026133 is an apocalyptic number.
It is an amenable number.
31026133 is a deficient number, since it is larger than the sum of its proper divisors (1149227).
31026133 is a wasteful number, since it uses less digits than its factorization.
31026133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4667.
The product of its (nonzero) digits is 324, while the sum is 19.
The square root of 31026133 is about 5570.1106811265. The cubic root of 31026133 is about 314.2263132424.
Adding to 31026133 its reverse (33162013), we get a palindrome (64188146).
The spelling of 31026133 in words is "thirty-one million, twenty-six thousand, one hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •