Base | Representation |
---|---|
bin | 110010111010… |
… | …000100110010 |
3 | 221010000000000 |
4 | 302322010302 |
5 | 11404020244 |
6 | 1154010430 |
7 | 221300631 |
oct | 62720462 |
9 | 27100000 |
10 | 13345074 |
11 | 7595396 |
12 | 4576a16 |
13 | 29c32c2 |
14 | 1ab5518 |
15 | 1289169 |
hex | cba132 |
13345074 has 44 divisors (see below), whose sum is σ = 30291966. Its totient is φ = 4408992.
The previous prime is 13345069. The next prime is 13345081. The reversal of 13345074 is 47054331.
It can be written as a sum of positive squares in only one way, i.e., 13286025 + 59049 = 3645^2 + 243^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 118042 + ... + 118154.
It is a vampire number, since it can be written as 3051 ⋅ 4374 (with its own digits).
Almost surely, 213345074 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13345074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15145983).
13345074 is an abundant number, since it is smaller than the sum of its proper divisors (16946892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13345074 is an frugal number, since it uses more digits than its factorization.
13345074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 145 (or 118 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
The square root of 13345074 is about 3653.0910199446. The cubic root of 13345074 is about 237.1958003782.
The spelling of 13345074 in words is "thirteen million, three hundred forty-five thousand, seventy-four".
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