Base | Representation |
---|---|
bin | 1001010001110111… |
… | …1010100110101101 |
3 | 20102121000022112110 |
4 | 2110131322212231 |
5 | 20100130321224 |
6 | 1051055554233 |
7 | 115504022133 |
oct | 22435724655 |
9 | 6377008473 |
10 | 2490870189 |
11 | 1069038705 |
12 | 59622b979 |
13 | 3090839b2 |
14 | 198b55753 |
15 | e8a25929 |
hex | 9477a9ad |
2490870189 has 32 divisors (see below), whose sum is σ = 3564288000. Its totient is φ = 1542651264.
The previous prime is 2490870149. The next prime is 2490870191. The reversal of 2490870189 is 9810780942.
It is not a de Polignac number, because 2490870189 - 29 = 2490869677 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2490870149) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 911377 + ... + 914105.
It is an arithmetic number, because the mean of its divisors is an integer number (111384000).
Almost surely, 22490870189 is an apocalyptic number.
It is an amenable number.
2490870189 is a deficient number, since it is larger than the sum of its proper divisors (1073417811).
2490870189 is a wasteful number, since it uses less digits than its factorization.
2490870189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3057.
The product of its (nonzero) digits is 290304, while the sum is 48.
The square root of 2490870189 is about 49908.6183840026. The cubic root of 2490870189 is about 1355.5546517211.
The spelling of 2490870189 in words is "two billion, four hundred ninety million, eight hundred seventy thousand, one hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •