Base | Representation |
---|---|
bin | 101000001000010100101 |
3 | 2110210211000 |
4 | 11001002211 |
5 | 314034411 |
6 | 44103513 |
7 | 14114523 |
oct | 5010245 |
9 | 2423730 |
10 | 1314981 |
11 | 818a68 |
12 | 534b99 |
13 | 3706c5 |
14 | 263313 |
15 | 1ae956 |
hex | 1410a5 |
1314981 has 16 divisors (see below), whose sum is σ = 1969920. Its totient is φ = 866880.
The previous prime is 1314953. The next prime is 1314997. The reversal of 1314981 is 1894131.
It is not a de Polignac number, because 1314981 - 26 = 1314917 is a prime.
It is a super-2 number, since 2×13149812 = 3458350060722, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1314941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2836 + ... + 3266.
It is an arithmetic number, because the mean of its divisors is an integer number (123120).
21314981 is an apocalyptic number.
It is an amenable number.
1314981 is a deficient number, since it is larger than the sum of its proper divisors (654939).
1314981 is a wasteful number, since it uses less digits than its factorization.
1314981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 553 (or 547 counting only the distinct ones).
The product of its digits is 864, while the sum is 27.
The square root of 1314981 is about 1146.7262096944. The cubic root of 1314981 is about 109.5569229278.
The spelling of 1314981 in words is "one million, three hundred fourteen thousand, nine hundred eighty-one".
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