Base | Representation |
---|---|
bin | 111101111011… |
… | …100111001101 |
3 | 1010112211011201 |
4 | 331323213031 |
5 | 13124004312 |
6 | 1335545501 |
7 | 254665144 |
oct | 75734715 |
9 | 33484151 |
10 | 16234957 |
11 | 9189622 |
12 | 552b291 |
13 | 34957ab |
14 | 222875b |
15 | 165a557 |
hex | f7b9cd |
16234957 has 4 divisors (see below), whose sum is σ = 16295580. Its totient is φ = 16174336.
The previous prime is 16234937. The next prime is 16234969. The reversal of 16234957 is 75943261.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75943261 = 523 ⋅145207.
It can be written as a sum of positive squares in 2 ways, for example, as 978121 + 15256836 = 989^2 + 3906^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-16234957 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 (16234927) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29908 + ... + 30445.
It is an arithmetic number, because the mean of its divisors is an integer number (4073895).
Almost surely, 216234957 is an apocalyptic number.
It is an amenable number.
16234957 is a deficient number, since it is larger than the sum of its proper divisors (60623).
16234957 is an equidigital number, since it uses as much as digits as its factorization.
16234957 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60622.
The product of its digits is 45360, while the sum is 37.
The square root of 16234957 is about 4029.2625876207. The cubic root of 16234957 is about 253.2116680715.
The spelling of 16234957 in words is "sixteen million, two hundred thirty-four thousand, nine hundred fifty-seven".
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