Base | Representation |
---|---|
bin | 111001001011… |
… | …101110010111 |
3 | 1001012120201202 |
4 | 321023232113 |
5 | 12314141411 |
6 | 1253143115 |
7 | 241262204 |
oct | 71135627 |
9 | 31176652 |
10 | 14990231 |
11 | 8509423 |
12 | 502aa9b |
13 | 314b079 |
14 | 1dc2cab |
15 | 14b183b |
hex | e4bb97 |
14990231 has 2 divisors, whose sum is σ = 14990232. Its totient is φ = 14990230.
The previous prime is 14990207. The next prime is 14990249. The reversal of 14990231 is 13209941.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 14990231 - 26 = 14990167 is a prime.
It is a super-2 number, since 2×149902312 = 449414050866722, which contains 22 as substring.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 14990194 and 14990203.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (14990251) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7495115 + 7495116.
It is an arithmetic number, because the mean of its divisors is an integer number (7495116).
Almost surely, 214990231 is an apocalyptic number.
14990231 is a deficient number, since it is larger than the sum of its proper divisors (1).
14990231 is an equidigital number, since it uses as much as digits as its factorization.
14990231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1944, while the sum is 29.
The square root of 14990231 is about 3871.7219683237. The cubic root of 14990231 is about 246.5676570823.
The spelling of 14990231 in words is "fourteen million, nine hundred ninety thousand, two hundred thirty-one".
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