Base | Representation |
---|---|
bin | 110011010001… |
… | …111110011011 |
3 | 221021222021211 |
4 | 303101332123 |
5 | 11420133341 |
6 | 1200043551 |
7 | 222156223 |
oct | 63217633 |
9 | 27258254 |
10 | 13442971 |
11 | 76519a3 |
12 | 46035b7 |
13 | 2a28a29 |
14 | 1add083 |
15 | 12a8181 |
hex | cd1f9b |
13442971 has 8 divisors (see below), whose sum is σ = 14853024. Its totient is φ = 12101760.
The previous prime is 13442969. The next prime is 13442977. The reversal of 13442971 is 17924431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13442971 - 21 = 13442969 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13442977) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16800 + ... + 17581.
It is an arithmetic number, because the mean of its divisors is an integer number (1856628).
Almost surely, 213442971 is an apocalyptic number.
13442971 is a deficient number, since it is larger than the sum of its proper divisors (1410053).
13442971 is a wasteful number, since it uses less digits than its factorization.
13442971 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34421.
The product of its digits is 6048, while the sum is 31.
The square root of 13442971 is about 3666.4657369189. The cubic root of 13442971 is about 237.7743960580.
It can be divided in two parts, 134429 and 71, that multiplied together give a palindrome (9544459).
The spelling of 13442971 in words is "thirteen million, four hundred forty-two thousand, nine hundred seventy-one".
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