Base | Representation |
---|---|
bin | 11011010101101000010001 |
3 | 111111002120020 |
4 | 123111220101 |
5 | 3313311411 |
6 | 413334053 |
7 | 114625350 |
oct | 33255021 |
9 | 14432506 |
10 | 7166481 |
11 | 4055313 |
12 | 2497329 |
13 | 163bc2a |
14 | d47997 |
15 | 968606 |
hex | 6d5a11 |
7166481 has 16 divisors (see below), whose sum is σ = 10963968. Its totient is φ = 4078800.
The previous prime is 7166479. The next prime is 7166491. The reversal of 7166481 is 1846617.
It is a happy number.
It is not a de Polignac number, because 7166481 - 21 = 7166479 is a prime.
It is a super-2 number, since 2×71664812 = 102716899846722, which contains 22 as substring.
It is a Curzon number.
7166481 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (7166461) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6436 + ... + 7466.
It is an arithmetic number, because the mean of its divisors is an integer number (685248).
Almost surely, 27166481 is an apocalyptic number.
It is an amenable number.
7166481 is a deficient number, since it is larger than the sum of its proper divisors (3797487).
7166481 is a wasteful number, since it uses less digits than its factorization.
7166481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1372.
The product of its digits is 8064, while the sum is 33.
The square root of 7166481 is about 2677.0283898383. The cubic root of 7166481 is about 192.7977603575.
The spelling of 7166481 in words is "seven million, one hundred sixty-six thousand, four hundred eighty-one".
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