Base | Representation |
---|---|
bin | 110110001100… |
… | …1001101011110 |
3 | 1222110121210112 |
4 | 1230121031132 |
5 | 24233233224 |
6 | 2453010022 |
7 | 463344011 |
oct | 154311536 |
9 | 58417715 |
10 | 28414814 |
11 | 1504851a |
12 | 9623912 |
13 | 5b6b5cc |
14 | 3ab9378 |
15 | 276430e |
hex | 1b1935e |
28414814 has 4 divisors (see below), whose sum is σ = 42622224. Its totient is φ = 14207406.
The previous prime is 28414777. The next prime is 28414831. The reversal of 28414814 is 41841482.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41841482 = 2 ⋅20920741.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7103702 + ... + 7103705.
It is an arithmetic number, because the mean of its divisors is an integer number (10655556).
Almost surely, 228414814 is an apocalyptic number.
28414814 is a deficient number, since it is larger than the sum of its proper divisors (14207410).
28414814 is a wasteful number, since it uses less digits than its factorization.
28414814 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14207409.
The product of its digits is 8192, while the sum is 32.
The square root of 28414814 is about 5330.5547553702. The cubic root of 28414814 is about 305.1510995471.
The spelling of 28414814 in words is "twenty-eight million, four hundred fourteen thousand, eight hundred fourteen".
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