Base | Representation |
---|---|
bin | 110110011110… |
… | …010111011101 |
3 | 222212111200201 |
4 | 312132113131 |
5 | 12123431112 |
6 | 1230023501 |
7 | 232244053 |
oct | 66362735 |
9 | 28774621 |
10 | 14280157 |
11 | 8073991 |
12 | 4947b91 |
13 | 2c5cac8 |
14 | 1c7a1d3 |
15 | 13c1257 |
hex | d9e5dd |
14280157 has 2 divisors, whose sum is σ = 14280158. Its totient is φ = 14280156.
The previous prime is 14280137. The next prime is 14280163. The reversal of 14280157 is 75108241.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 9523396 + 4756761 = 3086^2 + 2181^2 .
It is a cyclic number.
It is not a de Polignac number, because 14280157 - 27 = 14280029 is a prime.
It is equal to p927091 and since 14280157 and 927091 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (14280107) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7140078 + 7140079.
It is an arithmetic number, because the mean of its divisors is an integer number (7140079).
Almost surely, 214280157 is an apocalyptic number.
It is an amenable number.
14280157 is a deficient number, since it is larger than the sum of its proper divisors (1).
14280157 is an equidigital number, since it uses as much as digits as its factorization.
14280157 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2240, while the sum is 28.
The square root of 14280157 is about 3778.9094987840. The cubic root of 14280157 is about 242.6112827541.
Adding to 14280157 its reverse (75108241), we get a palindrome (89388398).
The spelling of 14280157 in words is "fourteen million, two hundred eighty thousand, one hundred fifty-seven".
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