Base | Representation |
---|---|
bin | 100011010111… |
… | …1000101000010 |
3 | 1021220002002121 |
4 | 1012233011002 |
5 | 14221333124 |
6 | 1501234454 |
7 | 313416655 |
oct | 106570502 |
9 | 37802077 |
10 | 18542914 |
11 | a515625 |
12 | 6262a2a |
13 | 3ac3150 |
14 | 266989c |
15 | 19642e4 |
hex | 11af142 |
18542914 has 8 divisors (see below), whose sum is σ = 29953980. Its totient is φ = 8558256.
The previous prime is 18542873. The next prime is 18542939. The reversal of 18542914 is 41924581.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 18275625 + 267289 = 4275^2 + 517^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×185429142 = 687679319222792, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 18542914.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356569 + ... + 356620.
Almost surely, 218542914 is an apocalyptic number.
18542914 is a deficient number, since it is larger than the sum of its proper divisors (11411066).
18542914 is a wasteful number, since it uses less digits than its factorization.
18542914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 713204.
The product of its digits is 11520, while the sum is 34.
The square root of 18542914 is about 4306.1483950277. The cubic root of 18542914 is about 264.6829672557.
The spelling of 18542914 in words is "eighteen million, five hundred forty-two thousand, nine hundred fourteen".
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