Base | Representation |
---|---|
bin | 110100011011… |
… | …101111000001 |
3 | 221212022201101 |
4 | 310123233001 |
5 | 12004320324 |
6 | 1210334401 |
7 | 224555101 |
oct | 64335701 |
9 | 27768641 |
10 | 13745089 |
11 | 7838986 |
12 | 472a401 |
13 | 2b033b7 |
14 | 1b7b201 |
15 | 1317944 |
hex | d1bbc1 |
13745089 has 4 divisors (see below), whose sum is σ = 13770324. Its totient is φ = 13719856.
The previous prime is 13745063. The next prime is 13745107. The reversal of 13745089 is 98054731.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98054731 = 5477 ⋅17903.
It can be written as a sum of positive squares in 2 ways, for example, as 6210064 + 7535025 = 2492^2 + 2745^2 .
It is a cyclic number.
It is not a de Polignac number, because 13745089 - 25 = 13745057 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13745029) 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, 11782 + ... + 12895.
It is an arithmetic number, because the mean of its divisors is an integer number (3442581).
Almost surely, 213745089 is an apocalyptic number.
It is an amenable number.
13745089 is a deficient number, since it is larger than the sum of its proper divisors (25235).
13745089 is an equidigital number, since it uses as much as digits as its factorization.
13745089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25234.
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 13745089 is about 3707.4369853040. The cubic root of 13745089 is about 239.5424674411.
The spelling of 13745089 in words is "thirteen million, seven hundred forty-five thousand, eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •