Base | Representation |
---|---|
bin | 1111101110001101010111 |
3 | 21202101112121 |
4 | 33232031113 |
5 | 2023341211 |
6 | 224200411 |
7 | 50013556 |
oct | 17561527 |
9 | 7671477 |
10 | 4121431 |
11 | 2365546 |
12 | 1469107 |
13 | b13c22 |
14 | 793d9d |
15 | 566271 |
hex | 3ee357 |
4121431 has 2 divisors, whose sum is σ = 4121432. Its totient is φ = 4121430.
The previous prime is 4121413. The next prime is 4121441. The reversal of 4121431 is 1341214.
Together with previous prime (4121413) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 4121431 - 211 = 4119383 is a prime.
It is a super-2 number, since 2×41214312 = 33972386975522, which contains 22 as substring.
4121431 is a lucky number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4121401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060715 + 2060716.
It is an arithmetic number, because the mean of its divisors is an integer number (2060716).
Almost surely, 24121431 is an apocalyptic number.
4121431 is a deficient number, since it is larger than the sum of its proper divisors (1).
4121431 is an equidigital number, since it uses as much as digits as its factorization.
4121431 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 96, while the sum is 16.
The square root of 4121431 is about 2030.1307839644. The cubic root of 4121431 is about 160.3304498607.
Adding to 4121431 its reverse (1341214), we get a palindrome (5462645).
The spelling of 4121431 in words is "four million, one hundred twenty-one thousand, four hundred thirty-one".
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