Base | Representation |
---|---|
bin | 110010011010… |
… | …001111001011 |
3 | 220212101010010 |
4 | 302122033023 |
5 | 11340332132 |
6 | 1151123003 |
7 | 220215504 |
oct | 62321713 |
9 | 26771103 |
10 | 13214667 |
11 | 7506414 |
12 | 4513463 |
13 | 2978b3b |
14 | 1a7dbab |
15 | 12606cc |
hex | c9a3cb |
13214667 has 4 divisors (see below), whose sum is σ = 17619560. Its totient is φ = 8809776.
The previous prime is 13214657. The next prime is 13214681. The reversal of 13214667 is 76641231.
It is a semiprime because it is the product of two primes.
It is a de Polignac number, because none of the positive numbers 2k-13214667 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13214647) 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, 2202442 + ... + 2202447.
It is an arithmetic number, because the mean of its divisors is an integer number (4404890).
Almost surely, 213214667 is an apocalyptic number.
13214667 is a deficient number, since it is larger than the sum of its proper divisors (4404893).
13214667 is an equidigital number, since it uses as much as digits as its factorization.
13214667 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4404892.
The product of its digits is 6048, while the sum is 30.
The square root of 13214667 is about 3635.1983439697. The cubic root of 13214667 is about 236.4206504789.
Adding to 13214667 its reverse (76641231), we get a palindrome (89855898).
The spelling of 13214667 in words is "thirteen million, two hundred fourteen thousand, six hundred sixty-seven".
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