Base | Representation |
---|---|
bin | 110100011011… |
… | …110010101011 |
3 | 221212100001001 |
4 | 310123302223 |
5 | 12004322243 |
6 | 1210335431 |
7 | 224555554 |
oct | 64336253 |
9 | 27770031 |
10 | 13745323 |
11 | 7839079 |
12 | 472a577 |
13 | 2b03537 |
14 | 1b7b32b |
15 | 1317a4d |
hex | d1bcab |
13745323 has 4 divisors (see below), whose sum is σ = 13756248. Its totient is φ = 13734400.
The previous prime is 13745309. The next prime is 13745339. The reversal of 13745323 is 32354731.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32354731 = 31 ⋅1043701.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13745323 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13745291 and 13745300.
It is not an unprimeable number, because it can be changed into a prime (13745353) 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, 3286 + ... + 6187.
It is an arithmetic number, because the mean of its divisors is an integer number (3439062).
Almost surely, 213745323 is an apocalyptic number.
13745323 is a deficient number, since it is larger than the sum of its proper divisors (10925).
13745323 is an equidigital number, since it uses as much as digits as its factorization.
13745323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10924.
The product of its digits is 7560, while the sum is 28.
The square root of 13745323 is about 3707.4685433595. The cubic root of 13745323 is about 239.5438267780.
The spelling of 13745323 in words is "thirteen million, seven hundred forty-five thousand, three hundred twenty-three".
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