Base | Representation |
---|---|
bin | 1011010101100111010101 |
3 | 12120222222102 |
4 | 23111213111 |
5 | 1230101432 |
6 | 143411445 |
7 | 34156031 |
oct | 13254725 |
9 | 5528872 |
10 | 2972117 |
11 | 174aaa5 |
12 | bb3b85 |
13 | 800a65 |
14 | 5751c1 |
15 | 3da962 |
hex | 2d59d5 |
2972117 has 4 divisors (see below), whose sum is σ = 3041280. Its totient is φ = 2902956.
The previous prime is 2972107. The next prime is 2972119. The reversal of 2972117 is 7112792.
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.
It is a cyclic number.
It is not a de Polignac number, because 2972117 - 210 = 2971093 is a prime.
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 2972117.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2972119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34517 + ... + 34602.
It is an arithmetic number, because the mean of its divisors is an integer number (760320).
22972117 is an apocalyptic number.
It is an amenable number.
2972117 is a deficient number, since it is larger than the sum of its proper divisors (69163).
2972117 is an equidigital number, since it uses as much as digits as its factorization.
2972117 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69162.
The product of its digits is 1764, while the sum is 29.
The square root of 2972117 is about 1723.9828885462. The cubic root of 2972117 is about 143.7767405830.
The spelling of 2972117 in words is "two million, nine hundred seventy-two thousand, one hundred seventeen".
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