Base | Representation |
---|---|
bin | 110010111111… |
… | …010101011100 |
3 | 221011002120000 |
4 | 302333111130 |
5 | 11410212440 |
6 | 1154254300 |
7 | 221420511 |
oct | 62772534 |
9 | 27132500 |
10 | 13366620 |
11 | 75aa5a3 |
12 | 4587390 |
13 | 2a00057 |
14 | 1abd308 |
15 | 1290730 |
hex | cbf55c |
13366620 has 120 divisors (see below), whose sum is σ = 43257984. Its totient is φ = 3452544.
The previous prime is 13366609. The next prime is 13366621. The reversal of 13366620 is 2666331.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13366621) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 59829 + ... + 60051.
Almost surely, 213366620 is an apocalyptic number.
13366620 is a gapful number since it is divisible by the number (10) 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 13366620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21628992).
13366620 is an abundant number, since it is smaller than the sum of its proper divisors (29891364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13366620 is a wasteful number, since it uses less digits than its factorization.
13366620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 281 (or 270 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
The square root of 13366620 is about 3656.0388400563. The cubic root of 13366620 is about 237.3233848528.
The spelling of 13366620 in words is "thirteen million, three hundred sixty-six thousand, six hundred twenty".
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