Base | Representation |
---|---|
bin | 100010101001… |
… | …0100110000001 |
3 | 1021011211110100 |
4 | 1011102212001 |
5 | 14122222342 |
6 | 1445153013 |
7 | 310251360 |
oct | 105224601 |
9 | 37154410 |
10 | 18164097 |
11 | a286a56 |
12 | 60bb769 |
13 | 39bc8b3 |
14 | 25ab7d7 |
15 | 18dbe4c |
hex | 1152981 |
18164097 has 24 divisors (see below), whose sum is σ = 30101760. Its totient is φ = 10339200.
The previous prime is 18164093. The next prime is 18164101. The reversal of 18164097 is 79046181.
18164097 is a `hidden beast` number, since 1 + 8 + 1 + 640 + 9 + 7 = 666.
It is an interprime number because it is at equal distance from previous prime (18164093) and next prime (18164101).
It is not a de Polignac number, because 18164097 - 22 = 18164093 is a prime.
It is not an unprimeable number, because it can be changed into a prime (18164093) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24904 + ... + 25622.
It is an arithmetic number, because the mean of its divisors is an integer number (1254240).
Almost surely, 218164097 is an apocalyptic number.
It is an amenable number.
18164097 is a deficient number, since it is larger than the sum of its proper divisors (11937663).
18164097 is a wasteful number, since it uses less digits than its factorization.
18164097 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1133 (or 1130 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 36.
The square root of 18164097 is about 4261.9358277665. The cubic root of 18164097 is about 262.8681311091.
The spelling of 18164097 in words is "eighteen million, one hundred sixty-four thousand, ninety-seven".
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