Base | Representation |
---|---|
bin | 110100100100… |
… | …010011000000 |
3 | 221221002211022 |
4 | 310210103000 |
5 | 12011431120 |
6 | 1211205012 |
7 | 225062252 |
oct | 64442300 |
9 | 27832738 |
10 | 13780160 |
11 | 7862269 |
12 | 4746768 |
13 | 2b16354 |
14 | 1b89cd2 |
15 | 1323025 |
hex | d244c0 |
13780160 has 28 divisors (see below), whose sum is σ = 32814768. Its totient is φ = 5511936.
The previous prime is 13780127. The next prime is 13780163. The reversal of 13780160 is 6108731.
It is not an unprimeable number, because it can be changed into a prime (13780163) 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, 21212 + ... + 21851.
It is an arithmetic number, because the mean of its divisors is an integer number (1171956).
Almost surely, 213780160 is an apocalyptic number.
13780160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13780160 is an abundant number, since it is smaller than the sum of its proper divisors (19034608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13780160 is an equidigital number, since it uses as much as digits as its factorization.
13780160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43080 (or 43070 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 26.
The square root of 13780160 is about 3712.1637894899. The cubic root of 13780160 is about 239.7460276329.
Adding to 13780160 its reverse (6108731), we get a palindrome (19888891).
The spelling of 13780160 in words is "thirteen million, seven hundred eighty thousand, one hundred sixty".
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