Base | Representation |
---|---|
bin | 101000111111000001110 |
3 | 2112020020101 |
4 | 11013320032 |
5 | 320433430 |
6 | 44441314 |
7 | 14262265 |
oct | 5077016 |
9 | 2466211 |
10 | 1342990 |
11 | 838010 |
12 | 54923a |
13 | 38038c |
14 | 26d5dc |
15 | 1b7dca |
hex | 147e0e |
1342990 has 32 divisors (see below), whose sum is σ = 2734560. Its totient is φ = 470400.
The previous prime is 1342987. The next prime is 1343003. The reversal of 1342990 is 992431.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2980 + ... + 3400.
It is an arithmetic number, because the mean of its divisors is an integer number (85455).
21342990 is an apocalyptic number.
1342990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1342990 is an abundant number, since it is smaller than the sum of its proper divisors (1391570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1342990 is a wasteful number, since it uses less digits than its factorization.
1342990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 468.
The product of its (nonzero) digits is 1944, while the sum is 28.
The square root of 1342990 is about 1158.8744539423. The cubic root of 1342990 is about 110.3293161453.
It can be divided in two parts, 1342 and 990, that added together give a palindrome (2332).
The spelling of 1342990 in words is "one million, three hundred forty-two thousand, nine hundred ninety".
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