Base | Representation |
---|---|
bin | 111101111101… |
… | …100011011111 |
3 | 1010120020002022 |
4 | 331331203133 |
5 | 13124233121 |
6 | 1340050355 |
7 | 255030266 |
oct | 75754337 |
9 | 33506068 |
10 | 16242911 |
11 | 91945a3 |
12 | 55339bb |
13 | 34992b9 |
14 | 222b5dd |
15 | 165caab |
hex | f7d8df |
16242911 has 4 divisors (see below), whose sum is σ = 16276752. Its totient is φ = 16209072.
The previous prime is 16242887. The next prime is 16242913. The reversal of 16242911 is 11924261.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11924261 = 1759 ⋅6779.
It is a cyclic number.
It is not a de Polignac number, because 16242911 - 214 = 16226527 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16242913) 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, 16190 + ... + 17163.
It is an arithmetic number, because the mean of its divisors is an integer number (4069188).
Almost surely, 216242911 is an apocalyptic number.
16242911 is a deficient number, since it is larger than the sum of its proper divisors (33841).
16242911 is an equidigital number, since it uses as much as digits as its factorization.
16242911 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33840.
The product of its digits is 864, while the sum is 26.
The square root of 16242911 is about 4030.2494959990. The cubic root of 16242911 is about 253.2530133567.
The spelling of 16242911 in words is "sixteen million, two hundred forty-two thousand, nine hundred eleven".
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