Base | Representation |
---|---|
bin | 110100101111… |
… | …111111111010 |
3 | 222000112120111 |
4 | 310233333322 |
5 | 12014444330 |
6 | 1212214534 |
7 | 225352063 |
oct | 64577772 |
9 | 28015514 |
10 | 13828090 |
11 | 7895281 |
12 | 476a44a |
13 | 2b32103 |
14 | 1b9d56a |
15 | 133232a |
hex | d2fffa |
13828090 has 16 divisors (see below), whose sum is σ = 25299720. Its totient is φ = 5440320.
The previous prime is 13828079. The next prime is 13828091. The reversal of 13828090 is 9082831.
It can be written as a sum of positive squares in 4 ways, for example, as 11108889 + 2719201 = 3333^2 + 1649^2 .
It is not an unprimeable number, because it can be changed into a prime (13828091) 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, 10725 + ... + 11944.
Almost surely, 213828090 is an apocalyptic number.
13828090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13828090 is a deficient number, since it is larger than the sum of its proper divisors (11471630).
13828090 is a wasteful number, since it uses less digits than its factorization.
13828090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22737.
The product of its (nonzero) digits is 3456, while the sum is 31.
The square root of 13828090 is about 3718.6139891094. The cubic root of 13828090 is about 240.0236666476.
The spelling of 13828090 in words is "thirteen million, eight hundred twenty-eight thousand, ninety".
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