Base | Representation |
---|---|
bin | 101101100001111100110 |
3 | 2210210120010 |
4 | 11230033212 |
5 | 340220232 |
6 | 51551050 |
7 | 15452454 |
oct | 5541746 |
9 | 2723503 |
10 | 1491942 |
11 | 929a11 |
12 | 5bb486 |
13 | 40310a |
14 | 2ab9d4 |
15 | 1e70cc |
hex | 16c3e6 |
1491942 has 8 divisors (see below), whose sum is σ = 2983896. Its totient is φ = 497312.
The previous prime is 1491929. The next prime is 1491943. The reversal of 1491942 is 2491941.
It is a sphenic number, since it is the product of 3 distinct primes.
1491942 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1491943) 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, 124323 + ... + 124334.
It is an arithmetic number, because the mean of its divisors is an integer number (372987).
21491942 is an apocalyptic number.
1491942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1491942 is a wasteful number, since it uses less digits than its factorization.
1491942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 248662.
The product of its digits is 2592, while the sum is 30.
The square root of 1491942 is about 1221.4507767405. The cubic root of 1491942 is about 114.2660759411.
Subtracting 1491942 from its reverse (2491941), we obtain a palindrome (999999).
The spelling of 1491942 in words is "one million, four hundred ninety-one thousand, nine hundred forty-two".
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