Base | Representation |
---|---|
bin | 101000000010010101010 |
3 | 2110122121102 |
4 | 11000102222 |
5 | 313440124 |
6 | 44041402 |
7 | 14102552 |
oct | 5002252 |
9 | 2418542 |
10 | 1311914 |
11 | 81672a |
12 | 533262 |
13 | 36c1a6 |
14 | 262162 |
15 | 1adaae |
hex | 1404aa |
1311914 has 8 divisors (see below), whose sum is σ = 1972740. Its totient is φ = 654336.
The previous prime is 1311901. The next prime is 1311917. The reversal of 1311914 is 4191131.
It can be written as a sum of positive squares in 2 ways, for example, as 1177225 + 134689 = 1085^2 + 367^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×13119142 = 3442236686792, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1311917) 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 3 ways as a sum of consecutive naturals, for example, 1112 + ... + 1964.
21311914 is an apocalyptic number.
1311914 is a deficient number, since it is larger than the sum of its proper divisors (660826).
1311914 is an equidigital number, since it uses as much as digits as its factorization.
1311914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1624.
The product of its digits is 108, while the sum is 20.
The square root of 1311914 is about 1145.3881438185. The cubic root of 1311914 is about 109.4716814797.
The spelling of 1311914 in words is "one million, three hundred eleven thousand, nine hundred fourteen".
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