Base | Representation |
---|---|
bin | 111001001101… |
… | …011010111101 |
3 | 1001012221021011 |
4 | 321031122331 |
5 | 12314402211 |
6 | 1253235221 |
7 | 241321363 |
oct | 71153275 |
9 | 31187234 |
10 | 14997181 |
11 | 8513671 |
12 | 5032b11 |
13 | 3151294 |
14 | 1dc5633 |
15 | 14b3921 |
hex | e4d6bd |
14997181 has 2 divisors, whose sum is σ = 14997182. Its totient is φ = 14997180.
The previous prime is 14997167. The next prime is 14997217. The reversal of 14997181 is 18179941.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11329956 + 3667225 = 3366^2 + 1915^2 .
It is a cyclic number.
It is not a de Polignac number, because 14997181 - 213 = 14988989 is a prime.
It is a super-2 number, since 2×149971812 = 449830875893522, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (14997121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7498590 + 7498591.
It is an arithmetic number, because the mean of its divisors is an integer number (7498591).
Almost surely, 214997181 is an apocalyptic number.
It is an amenable number.
14997181 is a deficient number, since it is larger than the sum of its proper divisors (1).
14997181 is an equidigital number, since it uses as much as digits as its factorization.
14997181 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 18144, while the sum is 40.
The square root of 14997181 is about 3872.6193977720. The cubic root of 14997181 is about 246.6057570166.
The spelling of 14997181 in words is "fourteen million, nine hundred ninety-seven thousand, one hundred eighty-one".
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