Base | Representation |
---|---|
bin | 1001000010111… |
… | …1111100000101 |
3 | 2122101210212211 |
4 | 2100233330011 |
5 | 34203220333 |
6 | 3433143421 |
7 | 640346044 |
oct | 220577405 |
9 | 78353784 |
10 | 37945093 |
11 | 1a46778a |
12 | 1085ab71 |
13 | 7b27424 |
14 | 507a55b |
15 | 34e7ecd |
hex | 242ff05 |
37945093 has 4 divisors (see below), whose sum is σ = 38112480. Its totient is φ = 37777708.
The previous prime is 37945069. The next prime is 37945099. The reversal of 37945093 is 39054973.
37945093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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: 39054973 = 733 ⋅53281.
It is a cyclic number.
It is not a de Polignac number, because 37945093 - 29 = 37944581 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (37945099) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83353 + ... + 83806.
It is an arithmetic number, because the mean of its divisors is an integer number (9528120).
Almost surely, 237945093 is an apocalyptic number.
It is an amenable number.
37945093 is a deficient number, since it is larger than the sum of its proper divisors (167387).
37945093 is a wasteful number, since it uses less digits than its factorization.
37945093 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 167386.
The product of its (nonzero) digits is 102060, while the sum is 40.
The square root of 37945093 is about 6159.9588472651. The cubic root of 37945093 is about 336.0355363255.
The spelling of 37945093 in words is "thirty-seven million, nine hundred forty-five thousand, ninety-three".
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