Base | Representation |
---|---|
bin | 111101000001010… |
… | …0111101000101101 |
3 | 12021200202010120012 |
4 | 1322002213220231 |
5 | 13143130210424 |
6 | 535101103005 |
7 | 101511344063 |
oct | 17202475055 |
9 | 5250663505 |
10 | 2047506989 |
11 | 960845340 |
12 | 491857a65 |
13 | 26826bac8 |
14 | 155d04033 |
15 | beb48b0e |
hex | 7a0a7a2d |
2047506989 has 8 divisors (see below), whose sum is σ = 2330759232. Its totient is φ = 1780440640.
The previous prime is 2047506973. The next prime is 2047506991. The reversal of 2047506989 is 9896057402.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2047506989 - 24 = 2047506973 is a prime.
It is a super-2 number, since 2×20475069892 = 8384569740007692242, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2047506949) 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, 4046204 + ... + 4046709.
It is an arithmetic number, because the mean of its divisors is an integer number (291344904).
Almost surely, 22047506989 is an apocalyptic number.
It is an amenable number.
2047506989 is a deficient number, since it is larger than the sum of its proper divisors (283252243).
2047506989 is a wasteful number, since it uses less digits than its factorization.
2047506989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8092947.
The product of its (nonzero) digits is 1088640, while the sum is 50.
The square root of 2047506989 is about 45249.3866146272. The cubic root of 2047506989 is about 1269.8189315502.
The spelling of 2047506989 in words is "two billion, forty-seven million, five hundred six thousand, nine hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 5.075 sec. • engine limits •