Base | Representation |
---|---|
bin | 11010100110001100110101 |
3 | 111010020002010 |
4 | 122212030311 |
5 | 3241102323 |
6 | 405234433 |
7 | 113156103 |
oct | 32461465 |
9 | 14106063 |
10 | 6972213 |
11 | 3a32366 |
12 | 2402a19 |
13 | 15a1691 |
14 | cd6c73 |
15 | 92ac93 |
hex | 6a6335 |
6972213 has 16 divisors (see below), whose sum is σ = 9510336. Its totient is φ = 4542720.
The previous prime is 6972127. The next prime is 6972233. The reversal of 6972213 is 3122796.
It is not a de Polignac number, because 6972213 - 213 = 6964021 is a prime.
It is a super-2 number, since 2×69722132 = 97223508234738, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6972233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44331 + ... + 44487.
It is an arithmetic number, because the mean of its divisors is an integer number (594396).
Almost surely, 26972213 is an apocalyptic number.
It is an amenable number.
6972213 is a deficient number, since it is larger than the sum of its proper divisors (2538123).
6972213 is a wasteful number, since it uses less digits than its factorization.
6972213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 404.
The product of its digits is 4536, while the sum is 30.
The square root of 6972213 is about 2640.4948399874. The cubic root of 6972213 is about 191.0396653821.
The spelling of 6972213 in words is "six million, nine hundred seventy-two thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.096 sec. • engine limits •