Base | Representation |
---|---|
bin | 101010111110001111001 |
3 | 2122112120122 |
4 | 11113301321 |
5 | 330024441 |
6 | 50103025 |
7 | 14653211 |
oct | 5276171 |
9 | 2575518 |
10 | 1408121 |
11 | 881a40 |
12 | 57aa75 |
13 | 3a3c10 |
14 | 289241 |
15 | 1cc34b |
hex | 157c79 |
1408121 has 16 divisors (see below), whose sum is σ = 1700160. Its totient is φ = 1149120.
The previous prime is 1408111. The next prime is 1408123. The reversal of 1408121 is 1218041.
1408121 is nontrivially palindromic in base 12.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1408121 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1408121.
It is not an unprimeable number, because it can be changed into a prime (1408123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6035 + ... + 6263.
It is an arithmetic number, because the mean of its divisors is an integer number (106260).
21408121 is an apocalyptic number.
1408121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1408121 is a deficient number, since it is larger than the sum of its proper divisors (292039).
1408121 is a wasteful number, since it uses less digits than its factorization.
1408121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 296.
The product of its (nonzero) digits is 64, while the sum is 17.
The square root of 1408121 is about 1186.6427432045. The cubic root of 1408121 is about 112.0847838043.
The spelling of 1408121 in words is "one million, four hundred eight thousand, one hundred twenty-one".
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