Base | Representation |
---|---|
bin | 110101000001… |
… | …0011001011101 |
3 | 1221022020102200 |
4 | 1222002121131 |
5 | 24104001320 |
6 | 2431442113 |
7 | 455162031 |
oct | 152023135 |
9 | 57266380 |
10 | 27797085 |
11 | 147663a8 |
12 | 9386339 |
13 | 59b33a4 |
14 | 39981c1 |
15 | 2691290 |
hex | 1a8265d |
27797085 has 24 divisors (see below), whose sum is σ = 48311640. Its totient is φ = 14785152.
The previous prime is 27797059. The next prime is 27797093. The reversal of 27797085 is 58079772.
It can be written as a sum of positive squares in 4 ways, for example, as 1695204 + 26101881 = 1302^2 + 5109^2 .
It is not a de Polignac number, because 27797085 - 25 = 27797053 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 27797085.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24511 + ... + 25619.
It is an arithmetic number, because the mean of its divisors is an integer number (2012985).
Almost surely, 227797085 is an apocalyptic number.
It is an amenable number.
27797085 is a deficient number, since it is larger than the sum of its proper divisors (20514555).
27797085 is a wasteful number, since it uses less digits than its factorization.
27797085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1677 (or 1674 counting only the distinct ones).
The product of its (nonzero) digits is 246960, while the sum is 45.
The square root of 27797085 is about 5272.2940927077. The cubic root of 27797085 is about 302.9235829904.
The spelling of 27797085 in words is "twenty-seven million, seven hundred ninety-seven thousand, eighty-five".
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