Base | Representation |
---|---|
bin | 100010100111… |
… | …1001011010001 |
3 | 1021011010020211 |
4 | 1011033023101 |
5 | 14121300342 |
6 | 1445004121 |
7 | 310162510 |
oct | 105171321 |
9 | 37133224 |
10 | 18150097 |
11 | a277489 |
12 | 60b3641 |
13 | 39b6404 |
14 | 25a6677 |
15 | 18d7c17 |
hex | 114f2d1 |
18150097 has 8 divisors (see below), whose sum is σ = 21412352. Its totient is φ = 15055200.
The previous prime is 18150079. The next prime is 18150103. The reversal of 18150097 is 79005181.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 18150097 - 219 = 17625809 is a prime.
It is a super-2 number, since 2×181500972 = 658852042218818, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18150047) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41604 + ... + 42037.
It is an arithmetic number, because the mean of its divisors is an integer number (2676544).
Almost surely, 218150097 is an apocalyptic number.
It is an amenable number.
18150097 is a deficient number, since it is larger than the sum of its proper divisors (3262255).
18150097 is an equidigital number, since it uses as much as digits as its factorization.
18150097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83679.
The product of its (nonzero) digits is 2520, while the sum is 31.
The square root of 18150097 is about 4260.2930650367. The cubic root of 18150097 is about 262.8005784394.
The spelling of 18150097 in words is "eighteen million, one hundred fifty thousand, ninety-seven".
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