Base | Representation |
---|---|
bin | 110100011010… |
… | …101100010011 |
3 | 221212002212020 |
4 | 310122230103 |
5 | 12004201234 |
6 | 1210302523 |
7 | 224536461 |
oct | 64325423 |
9 | 27762766 |
10 | 13740819 |
11 | 7835754 |
12 | 4727a43 |
13 | 2b01481 |
14 | 1b79831 |
15 | 1316549 |
hex | d1ab13 |
13740819 has 8 divisors (see below), whose sum is σ = 19285440. Its totient is φ = 8678376.
The previous prime is 13740817. The next prime is 13740823. The reversal of 13740819 is 91804731.
13740819 is digitally balanced in base 2 and base 4, because in such bases 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 not a de Polignac number, because 13740819 - 21 = 13740817 is a prime.
It is a super-2 number, since 2×137408192 = 377620213581522, which contains 22 as substring.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 13740819.
It is not an unprimeable number, because it can be changed into a prime (13740817) 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, 120477 + ... + 120590.
It is an arithmetic number, because the mean of its divisors is an integer number (2410680).
Almost surely, 213740819 is an apocalyptic number.
13740819 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
13740819 is a deficient number, since it is larger than the sum of its proper divisors (5544621).
13740819 is a wasteful number, since it uses less digits than its factorization.
13740819 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 241089.
The product of its (nonzero) digits is 6048, while the sum is 33.
The square root of 13740819 is about 3706.8610710411. The cubic root of 13740819 is about 239.5176597378.
The spelling of 13740819 in words is "thirteen million, seven hundred forty thousand, eight hundred nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •