Base | Representation |
---|---|
bin | 111001100100… |
… | …111010001101 |
3 | 1001101211020102 |
4 | 321210322031 |
5 | 12330442024 |
6 | 1255300445 |
7 | 242202023 |
oct | 71447215 |
9 | 31354212 |
10 | 15093389 |
11 | 8579983 |
12 | 507a725 |
13 | 3185ccc |
14 | 200c713 |
15 | 14d21ae |
hex | e64e8d |
15093389 has 4 divisors (see below), whose sum is σ = 15105756. Its totient is φ = 15081024.
The previous prime is 15093367. The next prime is 15093401. The reversal of 15093389 is 98339051.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98339051 = 197 ⋅499183.
It can be written as a sum of positive squares in 2 ways, for example, as 9872164 + 5221225 = 3142^2 + 2285^2 .
It is a cyclic number.
It is not a de Polignac number, because 15093389 - 212 = 15089293 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15093319) 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 3 ways as a sum of consecutive naturals, for example, 4124 + ... + 6869.
It is an arithmetic number, because the mean of its divisors is an integer number (3776439).
Almost surely, 215093389 is an apocalyptic number.
It is an amenable number.
15093389 is a deficient number, since it is larger than the sum of its proper divisors (12367).
15093389 is a wasteful number, since it uses less digits than its factorization.
15093389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12366.
The product of its (nonzero) digits is 29160, while the sum is 38.
The square root of 15093389 is about 3885.0211067638. The cubic root of 15093389 is about 247.1319646469.
It can be divided in two parts, 150 and 93389, that added together give a palindrome (93539).
The spelling of 15093389 in words is "fifteen million, ninety-three thousand, three hundred eighty-nine".
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