Base | Representation |
---|---|
bin | 100010010110… |
… | …0010000110100 |
3 | 1020212212002100 |
4 | 1010230100310 |
5 | 14102211332 |
6 | 1441542100 |
7 | 306025545 |
oct | 104542064 |
9 | 36785070 |
10 | 18007092 |
11 | a189aa4 |
12 | 6044930 |
13 | 39662ac |
14 | 256a4cc |
15 | 18aa67c |
hex | 112c434 |
18007092 has 18 divisors (see below), whose sum is σ = 45518018. Its totient is φ = 6002352.
The previous prime is 18007061. The next prime is 18007111. The reversal of 18007092 is 29070081.
It can be written as a sum of positive squares in only one way, i.e., 13571856 + 4435236 = 3684^2 + 2106^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250063 + ... + 250134.
Almost surely, 218007092 is an apocalyptic number.
18007092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
18007092 is an abundant number, since it is smaller than the sum of its proper divisors (27510926).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18007092 is a wasteful number, since it uses less digits than its factorization.
18007092 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 500207 (or 500202 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 27.
The square root of 18007092 is about 4243.4764050245. The cubic root of 18007092 is about 262.1085539718.
The spelling of 18007092 in words is "eighteen million, seven thousand, ninety-two".
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