Base | Representation |
---|---|
bin | 11110010010110001011101 |
3 | 112221110022000 |
4 | 132102301131 |
5 | 4013104323 |
6 | 442112513 |
7 | 124333140 |
oct | 36226135 |
9 | 15843260 |
10 | 7941213 |
11 | 4534395 |
12 | 27ab739 |
13 | 1850757 |
14 | 10aa057 |
15 | a6ce43 |
hex | 792c5d |
7941213 has 16 divisors (see below), whose sum is σ = 13445760. Its totient is φ = 4537728.
The previous prime is 7941211. The next prime is 7941229. The reversal of 7941213 is 3121497.
7941213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 7941213 - 21 = 7941211 is a prime.
It is a super-2 number, since 2×79412132 = 126125727822738, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a zygodrome in base 3.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7941211) 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 15 ways as a sum of consecutive naturals, for example, 20820 + ... + 21197.
It is an arithmetic number, because the mean of its divisors is an integer number (840360).
Almost surely, 27941213 is an apocalyptic number.
It is an amenable number.
7941213 is a deficient number, since it is larger than the sum of its proper divisors (5504547).
7941213 is a wasteful number, since it uses less digits than its factorization.
7941213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42033 (or 42027 counting only the distinct ones).
The product of its digits is 1512, while the sum is 27.
The square root of 7941213 is about 2818.0157912971. The cubic root of 7941213 is about 199.5089034412.
The spelling of 7941213 in words is "seven million, nine hundred forty-one thousand, two hundred thirteen".
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