Base | Representation |
---|---|
bin | 111001110000… |
… | …110101000110 |
3 | 1001111022012202 |
4 | 321300311012 |
5 | 12334022324 |
6 | 1300314502 |
7 | 242464253 |
oct | 71606506 |
9 | 31438182 |
10 | 15142214 |
11 | 860262a |
12 | 50a2a32 |
13 | 31a22b9 |
14 | 202242a |
15 | 14e18ae |
hex | e70d46 |
15142214 has 8 divisors (see below), whose sum is σ = 22772880. Its totient is φ = 7551256.
The previous prime is 15142177. The next prime is 15142219. The reversal of 15142214 is 41224151.
It is a happy number.
15142214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15142219) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8954 + ... + 10509.
It is an arithmetic number, because the mean of its divisors is an integer number (2846610).
Almost surely, 215142214 is an apocalyptic number.
15142214 is a deficient number, since it is larger than the sum of its proper divisors (7630666).
15142214 is a wasteful number, since it uses less digits than its factorization.
15142214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19854.
The product of its digits is 320, while the sum is 20.
The square root of 15142214 is about 3891.2997828489. The cubic root of 15142214 is about 247.3981569219.
Adding to 15142214 its reverse (41224151), we get a palindrome (56366365).
The spelling of 15142214 in words is "fifteen million, one hundred forty-two thousand, two hundred fourteen".
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