Base | Representation |
---|---|
bin | 1010011010110… |
… | …10001001111101 |
3 | 20002110102202020 |
4 | 11031122021331 |
5 | 134333313320 |
6 | 12401150353 |
7 | 2110616442 |
oct | 515321175 |
9 | 202412666 |
10 | 87401085 |
11 | 45376802 |
12 | 2532b3b9 |
13 | 15152025 |
14 | b8719c9 |
15 | 7a16940 |
hex | 535a27d |
87401085 has 8 divisors (see below), whose sum is σ = 139841760. Its totient is φ = 46613904.
The previous prime is 87401051. The next prime is 87401087. The reversal of 87401085 is 58010478.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87401085 - 28 = 87400829 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87401087) 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, 2913355 + ... + 2913384.
It is an arithmetic number, because the mean of its divisors is an integer number (17480220).
Almost surely, 287401085 is an apocalyptic number.
It is an amenable number.
87401085 is a deficient number, since it is larger than the sum of its proper divisors (52440675).
87401085 is a wasteful number, since it uses less digits than its factorization.
87401085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5826747.
The product of its (nonzero) digits is 8960, while the sum is 33.
The square root of 87401085 is about 9348.8547426944. The cubic root of 87401085 is about 443.7846482236.
The spelling of 87401085 in words is "eighty-seven million, four hundred one thousand, eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •