Base | Representation |
---|---|
bin | 111011001110… |
… | …1000101000111 |
3 | 2011102121110220 |
4 | 1312131011013 |
5 | 30422131403 |
6 | 3025315423 |
7 | 524636625 |
oct | 166350507 |
9 | 64377426 |
10 | 31052103 |
11 | 165899a5 |
12 | a495b73 |
13 | 6582b34 |
14 | 41a4515 |
15 | 2ad5953 |
hex | 1d9d147 |
31052103 has 8 divisors (see below), whose sum is σ = 41529216. Its totient is φ = 20638200.
The previous prime is 31052089. The next prime is 31052107. The reversal of 31052103 is 30125013.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31052103 - 25 = 31052071 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31052107) 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, 14643 + ... + 16628.
It is an arithmetic number, because the mean of its divisors is an integer number (5191152).
Almost surely, 231052103 is an apocalyptic number.
31052103 is a deficient number, since it is larger than the sum of its proper divisors (10477113).
31052103 is a wasteful number, since it uses less digits than its factorization.
31052103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31605.
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 31052103 is about 5572.4413859636. The cubic root of 31052103 is about 314.3139617370.
Adding to 31052103 its reverse (30125013), we get a palindrome (61177116).
The spelling of 31052103 in words is "thirty-one million, fifty-two thousand, one hundred three".
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