Base | Representation |
---|---|
bin | 100011011101… |
… | …0100101100110 |
3 | 1021222110202112 |
4 | 1012322211212 |
5 | 14224340204 |
6 | 1502241022 |
7 | 314004260 |
oct | 106724546 |
9 | 37873675 |
10 | 18590054 |
11 | a547a8a |
12 | 6286172 |
13 | 3b0b742 |
14 | 267cb30 |
15 | 197326e |
hex | 11ba966 |
18590054 has 16 divisors (see below), whose sum is σ = 31961088. Its totient is φ = 7944072.
The previous prime is 18590029. The next prime is 18590057. The reversal of 18590054 is 45009581.
It is a self number, because there is not a number n which added to its sum of digits gives 18590054.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18590057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3629 + ... + 7095.
It is an arithmetic number, because the mean of its divisors is an integer number (1997568).
Almost surely, 218590054 is an apocalyptic number.
18590054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
18590054 is a deficient number, since it is larger than the sum of its proper divisors (13371034).
18590054 is a wasteful number, since it uses less digits than its factorization.
18590054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3859.
The product of its (nonzero) digits is 7200, while the sum is 32.
The square root of 18590054 is about 4311.6184896162. The cubic root of 18590054 is about 264.9070707740.
The spelling of 18590054 in words is "eighteen million, five hundred ninety thousand, fifty-four".
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