Base | Representation |
---|---|
bin | 1001101101111… |
… | …0001001110111 |
3 | 2211200121111020 |
4 | 2123132021313 |
5 | 40413141311 |
6 | 4013312223 |
7 | 1003263444 |
oct | 233361167 |
9 | 84617436 |
10 | 40755831 |
11 | 21007506 |
12 | 11795673 |
13 | 859c89c |
14 | 55ac9cb |
15 | 38a0c06 |
hex | 26de277 |
40755831 has 8 divisors (see below), whose sum is σ = 54553584. Its totient is φ = 27064320.
The previous prime is 40755829. The next prime is 40755853. The reversal of 40755831 is 13855704.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 40755831 - 21 = 40755829 is a prime.
It is a super-2 number, since 2×407558312 = 3322075521001122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 40755792 and 40755801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40755031) 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, 25660 + ... + 27201.
It is an arithmetic number, because the mean of its divisors is an integer number (6819198).
Almost surely, 240755831 is an apocalyptic number.
40755831 is a deficient number, since it is larger than the sum of its proper divisors (13797753).
40755831 is a wasteful number, since it uses less digits than its factorization.
40755831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53121.
The product of its (nonzero) digits is 16800, while the sum is 33.
The square root of 40755831 is about 6384.0293702332. The cubic root of 40755831 is about 344.1358503234.
The spelling of 40755831 in words is "forty million, seven hundred fifty-five thousand, eight hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •