Base | Representation |
---|---|
bin | 1010011010110… |
… | …00100000000001 |
3 | 20002110002110010 |
4 | 11031120200001 |
5 | 134333104210 |
6 | 12401055133 |
7 | 2110560615 |
oct | 515304001 |
9 | 202402403 |
10 | 87394305 |
11 | 453716a9 |
12 | 253274a9 |
13 | 1514bc0b |
14 | b86d345 |
15 | 7a14920 |
hex | 5358801 |
87394305 has 16 divisors (see below), whose sum is σ = 139955904. Its totient is φ = 46568640.
The previous prime is 87394277. The next prime is 87394327. The reversal of 87394305 is 50349378.
It is not a de Polignac number, because 87394305 - 29 = 87393793 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22615 + ... + 26195.
It is an arithmetic number, because the mean of its divisors is an integer number (8747244).
Almost surely, 287394305 is an apocalyptic number.
It is an amenable number.
87394305 is a deficient number, since it is larger than the sum of its proper divisors (52561599).
87394305 is a wasteful number, since it uses less digits than its factorization.
87394305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5216.
The product of its (nonzero) digits is 90720, while the sum is 39.
The square root of 87394305 is about 9348.4921244017. The cubic root of 87394305 is about 443.7731726311.
The spelling of 87394305 in words is "eighty-seven million, three hundred ninety-four thousand, three hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •