Base | Representation |
---|---|
bin | 111110100101… |
… | …101000001001 |
3 | 1010212120020111 |
4 | 332211220021 |
5 | 13200011144 |
6 | 1343354321 |
7 | 256312651 |
oct | 76455011 |
9 | 33776214 |
10 | 16407049 |
11 | 929694a |
12 | 55b29a1 |
13 | 3525c19 |
14 | 2271361 |
15 | 1691534 |
hex | fa5a09 |
16407049 has 2 divisors, whose sum is σ = 16407050. Its totient is φ = 16407048.
The previous prime is 16407047. The next prime is 16407071. The reversal of 16407049 is 94070461.
16407049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 14768649 + 1638400 = 3843^2 + 1280^2 .
It is a cyclic number.
It is not a de Polignac number, because 16407049 - 21 = 16407047 is a prime.
Together with 16407047, it forms a pair of twin primes.
It is equal to p1055569 and since 16407049 and 1055569 have the same sum of digits, it is a Honaker prime.
It is a self number, because there is not a number n which added to its sum of digits gives 16407049.
It is not a weakly prime, because it can be changed into another prime (16407043) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8203524 + 8203525.
It is an arithmetic number, because the mean of its divisors is an integer number (8203525).
Almost surely, 216407049 is an apocalyptic number.
It is an amenable number.
16407049 is a deficient number, since it is larger than the sum of its proper divisors (1).
16407049 is an equidigital number, since it uses as much as digits as its factorization.
16407049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 16407049 is about 4050.5615660054. The cubic root of 16407049 is about 254.1032140926.
The spelling of 16407049 in words is "sixteen million, four hundred seven thousand, forty-nine".
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