Base | Representation |
---|---|
bin | 110100101101… |
… | …010100000000 |
3 | 221222222111000 |
4 | 310231110000 |
5 | 12014121323 |
6 | 1212052000 |
7 | 225305025 |
oct | 64552400 |
9 | 27888430 |
10 | 13817088 |
11 | 7887a8a |
12 | 4764000 |
13 | 2b2a0bc |
14 | 1b9954c |
15 | 132de43 |
hex | d2d500 |
13817088 has 72 divisors (see below), whose sum is σ = 40880000. Its totient is φ = 4603392.
The previous prime is 13817081. The next prime is 13817101. The reversal of 13817088 is 88071831.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13817081) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5913 + ... + 7911.
Almost surely, 213817088 is an apocalyptic number.
13817088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13817088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20440000).
13817088 is an abundant number, since it is smaller than the sum of its proper divisors (27062912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13817088 is an equidigital number, since it uses as much as digits as its factorization.
13817088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2024 (or 2004 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 36.
The square root of 13817088 is about 3717.1343801375. The cubic root of 13817088 is about 239.9599933315.
The spelling of 13817088 in words is "thirteen million, eight hundred seventeen thousand, eighty-eight".
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