Base | Representation |
---|---|
bin | 101010110000100011011 |
3 | 2122011222011 |
4 | 11112010123 |
5 | 324313430 |
6 | 50010351 |
7 | 14623612 |
oct | 5260433 |
9 | 2564864 |
10 | 1401115 |
11 | 877751 |
12 | 5769b7 |
13 | 3a0981 |
14 | 286879 |
15 | 1ca22a |
hex | 15611b |
1401115 has 4 divisors (see below), whose sum is σ = 1681344. Its totient is φ = 1120888.
The previous prime is 1401083. The next prime is 1401119. The reversal of 1401115 is 5111041.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5111041 = 13 ⋅393157.
It is a cyclic number.
It is not a de Polignac number, because 1401115 - 25 = 1401083 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 11.
It is a junction number, because it is equal to n+sod(n) for n = 1401095 and 1401104.
It is not an unprimeable number, because it can be changed into a prime (1401119) 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, 140107 + ... + 140116.
It is an arithmetic number, because the mean of its divisors is an integer number (420336).
21401115 is an apocalyptic number.
1401115 is a deficient number, since it is larger than the sum of its proper divisors (280229).
1401115 is an equidigital number, since it uses as much as digits as its factorization.
1401115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 280228.
The product of its (nonzero) digits is 20, while the sum is 13.
The square root of 1401115 is about 1183.6870363403. The cubic root of 1401115 is about 111.8985848552.
Adding to 1401115 its reverse (5111041), we get a palindrome (6512156).
The spelling of 1401115 in words is "one million, four hundred one thousand, one hundred fifteen".
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