Base | Representation |
---|---|
bin | 110100100001… |
… | …101111000101 |
3 | 221220120102202 |
4 | 310201233011 |
5 | 12011112134 |
6 | 1211044245 |
7 | 225016544 |
oct | 64415705 |
9 | 27816382 |
10 | 13769669 |
11 | 78553a1 |
12 | 4740685 |
13 | 2b11644 |
14 | 1b8615b |
15 | 131ed7e |
hex | d21bc5 |
13769669 has 4 divisors (see below), whose sum is σ = 13963680. Its totient is φ = 13575660.
The previous prime is 13769641. The next prime is 13769671. The reversal of 13769669 is 96696731.
It is a happy number.
13769669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96696731 = 17 ⋅5688043.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13769669 is a prime.
It is a super-2 number, since 2×137696692 = 379207568739122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13769629) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96899 + ... + 97040.
It is an arithmetic number, because the mean of its divisors is an integer number (3490920).
Almost surely, 213769669 is an apocalyptic number.
It is an amenable number.
13769669 is a deficient number, since it is larger than the sum of its proper divisors (194011).
13769669 is an equidigital number, since it uses as much as digits as its factorization.
13769669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194010.
The product of its digits is 367416, while the sum is 47.
The square root of 13769669 is about 3710.7504631813. The cubic root of 13769669 is about 239.6851716844.
The spelling of 13769669 in words is "thirteen million, seven hundred sixty-nine thousand, six hundred sixty-nine".
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