Base | Representation |
---|---|
bin | 1000111110111… |
… | …1001110000111 |
3 | 2121220100020211 |
4 | 2033233032013 |
5 | 34121230012 |
6 | 3423340251 |
7 | 635163151 |
oct | 217571607 |
9 | 77810224 |
10 | 37680007 |
11 | 1a2a6602 |
12 | 10751687 |
13 | 7a63881 |
14 | 500bad1 |
15 | 34946a7 |
hex | 23ef387 |
37680007 has 4 divisors (see below), whose sum is σ = 39896496. Its totient is φ = 35463520.
The previous prime is 37680001. The next prime is 37680029. The reversal of 37680007 is 70008673.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-37680007 is a prime.
It is a Smith number, since the sum of its digits (31) 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 (37680001) 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, 1108219 + ... + 1108252.
It is an arithmetic number, because the mean of its divisors is an integer number (9974124).
Almost surely, 237680007 is an apocalyptic number.
37680007 is a deficient number, since it is larger than the sum of its proper divisors (2216489).
37680007 is a wasteful number, since it uses less digits than its factorization.
37680007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2216488.
The product of its (nonzero) digits is 7056, while the sum is 31.
The square root of 37680007 is about 6138.4042714699. The cubic root of 37680007 is about 335.2511875651.
The spelling of 37680007 in words is "thirty-seven million, six hundred eighty thousand, seven".
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