Base | Representation |
---|---|
bin | 1010001001101… |
… | …11101110010101 |
3 | 12221020201112112 |
4 | 11010313232111 |
5 | 133300203101 |
6 | 12241200405 |
7 | 2052605225 |
oct | 504675625 |
9 | 187221475 |
10 | 85162901 |
11 | 4408816a |
12 | 24630105 |
13 | 1484a365 |
14 | b44c085 |
15 | 77236bb |
hex | 5137b95 |
85162901 has 4 divisors (see below), whose sum is σ = 86606400. Its totient is φ = 83719404.
The previous prime is 85162871. The next prime is 85162949. The reversal of 85162901 is 10926158.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10926158 = 2 ⋅5463079.
It is a cyclic number.
It is not a de Polignac number, because 85162901 - 26 = 85162837 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85162981) 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, 721661 + ... + 721778.
It is an arithmetic number, because the mean of its divisors is an integer number (21651600).
Almost surely, 285162901 is an apocalyptic number.
It is an amenable number.
85162901 is a deficient number, since it is larger than the sum of its proper divisors (1443499).
85162901 is a wasteful number, since it uses less digits than its factorization.
85162901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1443498.
The product of its (nonzero) digits is 4320, while the sum is 32.
The square root of 85162901 is about 9228.3747756580. The cubic root of 85162901 is about 439.9636695210.
The spelling of 85162901 in words is "eighty-five million, one hundred sixty-two thousand, nine hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •