Base | Representation |
---|---|
bin | 100000000100… |
… | …1000000000111 |
3 | 1011122020120222 |
4 | 1000021000013 |
5 | 13301022322 |
6 | 1400214555 |
7 | 262626443 |
oct | 100110007 |
9 | 34566528 |
10 | 16814087 |
11 | 9544744 |
12 | 576a45b |
13 | 3639284 |
14 | 2339823 |
15 | 1721e42 |
hex | 1009007 |
16814087 has 4 divisors (see below), whose sum is σ = 16971336. Its totient is φ = 16656840.
The previous prime is 16814033. The next prime is 16814089. The reversal of 16814087 is 78041861.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78041861 = 43 ⋅1814927.
It is a cyclic number.
It is not a de Polignac number, because 16814087 - 28 = 16813831 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 (16814089) 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, 78464 + ... + 78677.
It is an arithmetic number, because the mean of its divisors is an integer number (4242834).
Almost surely, 216814087 is an apocalyptic number.
16814087 is a deficient number, since it is larger than the sum of its proper divisors (157249).
16814087 is a wasteful number, since it uses less digits than its factorization.
16814087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157248.
The product of its (nonzero) digits is 10752, while the sum is 35.
The square root of 16814087 is about 4100.4983843431. The cubic root of 16814087 is about 256.1873983901.
The spelling of 16814087 in words is "sixteen million, eight hundred fourteen thousand, eighty-seven".
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