Base | Representation |
---|---|
bin | 1011110101100100010101 |
3 | 12211122111211 |
4 | 23311210111 |
5 | 1243243442 |
6 | 150301421 |
7 | 35242432 |
oct | 13654425 |
9 | 5748454 |
10 | 3102997 |
11 | 182a367 |
12 | 1057871 |
13 | 8484c1 |
14 | 5aab89 |
15 | 414617 |
hex | 2f5915 |
3102997 has 4 divisors (see below), whose sum is σ = 3126816. Its totient is φ = 3079180.
The previous prime is 3102989. The next prime is 3103013. The reversal of 3102997 is 7992013.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7992013 = 191 ⋅41843.
It is a cyclic number.
It is not a de Polignac number, because 3102997 - 23 = 3102989 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3102917) 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, 11713 + ... + 11974.
It is an arithmetic number, because the mean of its divisors is an integer number (781704).
Almost surely, 23102997 is an apocalyptic number.
It is an amenable number.
3102997 is a deficient number, since it is larger than the sum of its proper divisors (23819).
3102997 is a wasteful number, since it uses less digits than its factorization.
3102997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23818.
The product of its (nonzero) digits is 3402, while the sum is 31.
The square root of 3102997 is about 1761.5325713707. The cubic root of 3102997 is about 145.8569468883.
The spelling of 3102997 in words is "three million, one hundred two thousand, nine hundred ninety-seven".
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