Base | Representation |
---|---|
bin | 110101111111… |
… | …101000010001 |
3 | 222122002222202 |
4 | 311333220101 |
5 | 12110414012 |
6 | 1223212545 |
7 | 231211025 |
oct | 65775021 |
9 | 28562882 |
10 | 14154257 |
11 | 7a98337 |
12 | 48a7155 |
13 | 2c17700 |
14 | 1c46385 |
15 | 1398cc2 |
hex | d7fa11 |
14154257 has 12 divisors (see below), whose sum is σ = 15589404. Its totient is φ = 12841920.
The previous prime is 14154247. The next prime is 14154271. The reversal of 14154257 is 75245141.
It can be written as a sum of positive squares in 6 ways, for example, as 1700416 + 12453841 = 1304^2 + 3529^2 .
It is not a de Polignac number, because 14154257 - 214 = 14137873 is a prime.
It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14154227) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9623 + ... + 10995.
It is an arithmetic number, because the mean of its divisors is an integer number (1299117).
Almost surely, 214154257 is an apocalyptic number.
It is an amenable number.
14154257 is a deficient number, since it is larger than the sum of its proper divisors (1435147).
14154257 is a wasteful number, since it uses less digits than its factorization.
14154257 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1460 (or 1447 counting only the distinct ones).
The product of its digits is 5600, while the sum is 29.
The square root of 14154257 is about 3762.2143745406. The cubic root of 14154257 is about 241.8961886549.
Adding to 14154257 its reverse (75245141), we get a palindrome (89399398).
The spelling of 14154257 in words is "fourteen million, one hundred fifty-four thousand, two hundred fifty-seven".
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