Base | Representation |
---|---|
bin | 1001000001111… |
… | …0000110110001 |
3 | 2122021002200111 |
4 | 2100132012301 |
5 | 34143401144 |
6 | 3431421321 |
7 | 636623065 |
oct | 220360661 |
9 | 78232614 |
10 | 37872049 |
11 | 1a417916 |
12 | 10824841 |
13 | 7b000c7 |
14 | 505baa5 |
15 | 34d1534 |
hex | 241e1b1 |
37872049 has 6 divisors (see below), whose sum is σ = 39134130. Its totient is φ = 36649440.
The previous prime is 37872031. The next prime is 37872059. The reversal of 37872049 is 94027873.
It can be written as a sum of positive squares in only one way, i.e., 32890225 + 4981824 = 5735^2 + 2232^2 .
It is not a de Polignac number, because 37872049 - 25 = 37872017 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (37872019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18744 + ... + 20665.
It is an arithmetic number, because the mean of its divisors is an integer number (6522355).
Almost surely, 237872049 is an apocalyptic number.
It is an amenable number.
37872049 is a deficient number, since it is larger than the sum of its proper divisors (1262081).
37872049 is an equidigital number, since it uses as much as digits as its factorization.
37872049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39471 (or 39440 counting only the distinct ones).
The product of its (nonzero) digits is 84672, while the sum is 40.
The square root of 37872049 is about 6154.0270555141. The cubic root of 37872049 is about 335.8197759156.
It can be divided in two parts, 378 and 72049, that added together give a palindrome (72427).
The spelling of 37872049 in words is "thirty-seven million, eight hundred seventy-two thousand, forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •