Base | Representation |
---|---|
bin | 1011011001010101111110 |
3 | 12121202221002 |
4 | 23121111332 |
5 | 1231044030 |
6 | 144010302 |
7 | 34251410 |
oct | 13312576 |
9 | 5552832 |
10 | 2987390 |
11 | 176051a |
12 | 1000992 |
13 | 8079b3 |
14 | 57a9b0 |
15 | 3e0245 |
hex | 2d957e |
2987390 has 16 divisors (see below), whose sum is σ = 6145632. Its totient is φ = 1024224.
The previous prime is 2987371. The next prime is 2987407. The reversal of 2987390 is 937892.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21269 + ... + 21408.
It is an arithmetic number, because the mean of its divisors is an integer number (384102).
22987390 is an apocalyptic number.
2987390 is an abundant number, since it is smaller than the sum of its proper divisors (3158242).
2987390 is a wasteful number, since it uses less digits than its factorization.
2987390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42691.
The product of its (nonzero) digits is 27216, while the sum is 38.
The square root of 2987390 is about 1728.4067808245. The cubic root of 2987390 is about 144.0225980481.
The spelling of 2987390 in words is "two million, nine hundred eighty-seven thousand, three hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.122 sec. • engine limits •