Base | Representation |
---|---|
bin | 11011001101000000000001 |
3 | 111102022002012 |
4 | 123031000001 |
5 | 3311144022 |
6 | 412502305 |
7 | 114420326 |
oct | 33150001 |
9 | 14368065 |
10 | 7131137 |
11 | 4030802 |
12 | 247a995 |
13 | 1628b10 |
14 | d38b4d |
15 | 95cde2 |
hex | 6cd001 |
7131137 has 8 divisors (see below), whose sum is σ = 8084160. Its totient is φ = 6235920.
The previous prime is 7131133. The next prime is 7131139. The reversal of 7131137 is 7311317.
7131137 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 7131137 - 22 = 7131133 is a prime.
It is a super-2 number, since 2×71311372 = 101706229825538, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7131133) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14189 + ... + 14682.
It is an arithmetic number, because the mean of its divisors is an integer number (1010520).
It is a Proth number, since it is equal to 1741 ⋅ 212 + 1 and 1741 < 212.
Almost surely, 27131137 is an apocalyptic number.
It is an amenable number.
7131137 is a deficient number, since it is larger than the sum of its proper divisors (953023).
7131137 is a wasteful number, since it uses less digits than its factorization.
7131137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28903.
The product of its digits is 441, while the sum is 23.
The square root of 7131137 is about 2670.4188809998. The cubic root of 7131137 is about 192.4802880811.
The spelling of 7131137 in words is "seven million, one hundred thirty-one thousand, one hundred thirty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •