Base | Representation |
---|---|
bin | 110100110100… |
… | …001110001000 |
3 | 222001102022000 |
4 | 310310032020 |
5 | 12021023014 |
6 | 1212431000 |
7 | 225453360 |
oct | 64641610 |
9 | 28042260 |
10 | 13845384 |
11 | 78a7273 |
12 | 4778460 |
13 | 2b39c47 |
14 | 1ba59a0 |
15 | 1337509 |
hex | d34388 |
13845384 has 64 divisors (see below), whose sum is σ = 43958400. Its totient is φ = 3955392.
The previous prime is 13845367. The next prime is 13845389. The reversal of 13845384 is 48354831.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (13845389) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3067 + ... + 6090.
It is an arithmetic number, because the mean of its divisors is an integer number (686850).
Almost surely, 213845384 is an apocalyptic number.
13845384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
13845384 is an abundant number, since it is smaller than the sum of its proper divisors (30113016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13845384 is a wasteful number, since it uses less digits than its factorization.
13845384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9179 (or 9169 counting only the distinct ones).
The product of its digits is 46080, while the sum is 36.
The square root of 13845384 is about 3720.9385912697. The cubic root of 13845384 is about 240.1236862462.
The spelling of 13845384 in words is "thirteen million, eight hundred forty-five thousand, three hundred eighty-four".
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