Base | Representation |
---|---|
bin | 1010011110000… |
… | …10001111000101 |
3 | 20010021002112120 |
4 | 11033002033011 |
5 | 134440434042 |
6 | 12414240153 |
7 | 2114343360 |
oct | 517021705 |
9 | 203232476 |
10 | 87827397 |
11 | 45638029 |
12 | 254b6059 |
13 | 15271098 |
14 | b9430d7 |
15 | 7a9cdec |
hex | 53c23c5 |
87827397 has 8 divisors (see below), whose sum is σ = 133832256. Its totient is φ = 50187072.
The previous prime is 87827357. The next prime is 87827417. The reversal of 87827397 is 79372878.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87827397 - 27 = 87827269 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87827357) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2091108 + ... + 2091149.
It is an arithmetic number, because the mean of its divisors is an integer number (16729032).
Almost surely, 287827397 is an apocalyptic number.
It is an amenable number.
87827397 is a deficient number, since it is larger than the sum of its proper divisors (46004859).
87827397 is a wasteful number, since it uses less digits than its factorization.
87827397 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4182267.
The product of its digits is 1185408, while the sum is 51.
The square root of 87827397 is about 9371.6272333037. The cubic root of 87827397 is about 444.5050204771.
The spelling of 87827397 in words is "eighty-seven million, eight hundred twenty-seven thousand, three hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •