Base | Representation |
---|---|
bin | 110001111011… |
… | …101111010011 |
3 | 220122000202110 |
4 | 301323233103 |
5 | 11322332442 |
6 | 1144320403 |
7 | 216155346 |
oct | 61735723 |
9 | 26560673 |
10 | 13089747 |
11 | 7430580 |
12 | 4473103 |
13 | 2934018 |
14 | 1a4a45d |
15 | 123869c |
hex | c7bbd3 |
13089747 has 16 divisors (see below), whose sum is σ = 19284480. Its totient is φ = 7831200.
The previous prime is 13089743. The next prime is 13089751. The reversal of 13089747 is 74798031.
It is an interprime number because it is at equal distance from previous prime (13089743) and next prime (13089751).
It is not a de Polignac number, because 13089747 - 22 = 13089743 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13089743) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97 + ... + 5117.
It is an arithmetic number, because the mean of its divisors is an integer number (1205280).
Almost surely, 213089747 is an apocalyptic number.
13089747 is a deficient number, since it is larger than the sum of its proper divisors (6194733).
13089747 is a wasteful number, since it uses less digits than its factorization.
13089747 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5114.
The product of its (nonzero) digits is 42336, while the sum is 39.
The square root of 13089747 is about 3617.9755388891. The cubic root of 13089747 is about 235.6733187101.
The spelling of 13089747 in words is "thirteen million, eighty-nine thousand, seven hundred forty-seven".
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