Base | Representation |
---|---|
bin | 110001111011… |
… | …001000101010 |
3 | 220121220100212 |
4 | 301323020222 |
5 | 11322243044 |
6 | 1144301122 |
7 | 216145214 |
oct | 61731052 |
9 | 26556325 |
10 | 13087274 |
11 | 7429732 |
12 | 44717a2 |
13 | 2932b65 |
14 | 1a495b4 |
15 | 1237a9e |
hex | c7b22a |
13087274 has 8 divisors (see below), whose sum is σ = 19867680. Its totient is φ = 6464716.
The previous prime is 13087259. The next prime is 13087279. The reversal of 13087274 is 47278031.
It is a happy number.
13087274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 13087274.
It is not an unprimeable number, because it can be changed into a prime (13087279) 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, 39254 + ... + 39585.
It is an arithmetic number, because the mean of its divisors is an integer number (2483460).
Almost surely, 213087274 is an apocalyptic number.
13087274 is a deficient number, since it is larger than the sum of its proper divisors (6780406).
13087274 is an equidigital number, since it uses as much as digits as its factorization.
13087274 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78924.
The product of its (nonzero) digits is 9408, while the sum is 32.
The square root of 13087274 is about 3617.6337570296. The cubic root of 13087274 is about 235.6584761308.
The spelling of 13087274 in words is "thirteen million, eighty-seven thousand, two hundred seventy-four".
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