Base | Representation |
---|---|
bin | 1010001100011001010101 |
3 | 12000202120212 |
4 | 22030121111 |
5 | 1141002323 |
6 | 133135205 |
7 | 31466465 |
oct | 12143125 |
9 | 5022525 |
10 | 2672213 |
11 | 1565745 |
12 | a8a505 |
13 | 7273bb |
14 | 4d7ba5 |
15 | 37bb78 |
hex | 28c655 |
2672213 has 4 divisors (see below), whose sum is σ = 2829420. Its totient is φ = 2515008.
The previous prime is 2672203. The next prime is 2672233. The reversal of 2672213 is 3122762.
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 1737124 + 935089 = 1318^2 + 967^2 .
It is a cyclic number.
It is not a de Polignac number, because 2672213 - 216 = 2606677 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2672203) 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, 78578 + ... + 78611.
It is an arithmetic number, because the mean of its divisors is an integer number (707355).
22672213 is an apocalyptic number.
It is an amenable number.
2672213 is a deficient number, since it is larger than the sum of its proper divisors (157207).
2672213 is a wasteful number, since it uses less digits than its factorization.
2672213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157206.
The product of its digits is 1008, while the sum is 23.
The square root of 2672213 is about 1634.6904905822. The cubic root of 2672213 is about 138.7683286125.
Adding to 2672213 its reverse (3122762), we get a palindrome (5794975).
The spelling of 2672213 in words is "two million, six hundred seventy-two thousand, two hundred thirteen".
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