Base | Representation |
---|---|
bin | 111110101000… |
… | …010100011010 |
3 | 1010220010100211 |
4 | 332220110122 |
5 | 13200334244 |
6 | 1343521334 |
7 | 256360051 |
oct | 76502432 |
9 | 33803324 |
10 | 16418074 |
11 | 92a4162 |
12 | 55b924a |
13 | 352ac4a |
14 | 2275398 |
15 | 1694934 |
hex | fa851a |
16418074 has 4 divisors (see below), whose sum is σ = 24627114. Its totient is φ = 8209036.
The previous prime is 16418063. The next prime is 16418093. The reversal of 16418074 is 47081461.
16418074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47081461 = 7 ⋅6725923.
It can be written as a sum of positive squares in only one way, i.e., 9090225 + 7327849 = 3015^2 + 2707^2 .
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4104517 + ... + 4104520.
Almost surely, 216418074 is an apocalyptic number.
16418074 is a deficient number, since it is larger than the sum of its proper divisors (8209040).
16418074 is an equidigital number, since it uses as much as digits as its factorization.
16418074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8209039.
The product of its (nonzero) digits is 5376, while the sum is 31.
The square root of 16418074 is about 4051.9222598663. The cubic root of 16418074 is about 254.1601176968.
The spelling of 16418074 in words is "sixteen million, four hundred eighteen thousand, seventy-four".
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