Base | Representation |
---|---|
bin | 101001100010… |
… | …101111001011 |
3 | 202111021112021 |
4 | 221202233023 |
5 | 10241441222 |
6 | 1025225311 |
7 | 161364550 |
oct | 51425713 |
9 | 22437467 |
10 | 10890187 |
11 | 6168a60 |
12 | 3792237 |
13 | 2343ac9 |
14 | 1636a27 |
15 | e51ac7 |
hex | a62bcb |
10890187 has 16 divisors (see below), whose sum is σ = 13658112. Its totient is φ = 8435520.
The previous prime is 10890179. The next prime is 10890199. The reversal of 10890187 is 78109801.
It is a cyclic number.
It is not a de Polignac number, because 10890187 - 23 = 10890179 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10890127) 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 15 ways as a sum of consecutive naturals, for example, 17638 + ... + 18244.
It is an arithmetic number, because the mean of its divisors is an integer number (853632).
Almost surely, 210890187 is an apocalyptic number.
10890187 is a deficient number, since it is larger than the sum of its proper divisors (2767925).
10890187 is a wasteful number, since it uses less digits than its factorization.
10890187 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 858.
The product of its (nonzero) digits is 4032, while the sum is 34.
The square root of 10890187 is about 3300.0283332117. The cubic root of 10890187 is about 221.6554661711.
Adding to 10890187 its reverse (78109801), we get a palindrome (88999988).
The spelling of 10890187 in words is "ten million, eight hundred ninety thousand, one hundred eighty-seven".
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