Base | Representation |
---|---|
bin | 11111000110000010100001 |
3 | 120100010100100 |
4 | 133012002201 |
5 | 4041314301 |
6 | 450413013 |
7 | 126166302 |
oct | 37060241 |
9 | 16303310 |
10 | 8151201 |
11 | 4668133 |
12 | 2891169 |
13 | 18c51c6 |
14 | 11227a9 |
15 | ab0286 |
hex | 7c60a1 |
8151201 has 12 divisors (see below), whose sum is σ = 11896612. Its totient is φ = 5377536.
The previous prime is 8151197. The next prime is 8151203. The reversal of 8151201 is 1021518.
It can be written as a sum of positive squares in 2 ways, for example, as 6051600 + 2099601 = 2460^2 + 1449^2 .
It is not a de Polignac number, because 8151201 - 22 = 8151197 is a prime.
It is a Duffinian number.
8151201 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (8151203) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3796 + ... + 5541.
Almost surely, 28151201 is an apocalyptic number.
It is an amenable number.
8151201 is a deficient number, since it is larger than the sum of its proper divisors (3745411).
8151201 is a wasteful number, since it uses less digits than its factorization.
8151201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9440 (or 9437 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 18.
The square root of 8151201 is about 2855.0308229510. The cubic root of 8151201 is about 201.2521525431.
Adding to 8151201 its reverse (1021518), we get a palindrome (9172719).
It can be divided in two parts, 815 and 1201, that added together give a triangular number (2016 = T63).
The spelling of 8151201 in words is "eight million, one hundred fifty-one thousand, two hundred one".
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