Base | Representation |
---|---|
bin | 111100010011… |
… | …0010010010101 |
3 | 2012111011101122 |
4 | 1320212102111 |
5 | 31043122401 |
6 | 3045333325 |
7 | 532500251 |
oct | 170462225 |
9 | 65434348 |
10 | 31614101 |
11 | 16933162 |
12 | a707245 |
13 | 671b88c |
14 | 42ad261 |
15 | 2b9721b |
hex | 1e26495 |
31614101 has 4 divisors (see below), whose sum is σ = 33473772. Its totient is φ = 29754432.
The previous prime is 31614097. The next prime is 31614109. The reversal of 31614101 is 10141613.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 16200625 + 15413476 = 4025^2 + 3926^2 .
It is a cyclic number.
It is not a de Polignac number, because 31614101 - 22 = 31614097 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 1859653 = 31614101 / (3 + 1 + 6 + 1 + 4 + 1 + 0 + 1).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31614101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31614109) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929810 + ... + 929843.
It is an arithmetic number, because the mean of its divisors is an integer number (8368443).
Almost surely, 231614101 is an apocalyptic number.
It is an amenable number.
31614101 is a deficient number, since it is larger than the sum of its proper divisors (1859671).
31614101 is a wasteful number, since it uses less digits than its factorization.
31614101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1859670.
The product of its (nonzero) digits is 72, while the sum is 17.
The square root of 31614101 is about 5622.6418167975. The cubic root of 31614101 is about 316.1988446996.
Adding to 31614101 its reverse (10141613), we get a palindrome (41755714).
The spelling of 31614101 in words is "thirty-one million, six hundred fourteen thousand, one hundred one".
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