Base | Representation |
---|---|
bin | 1000100001111110… |
… | …1111000010001000 |
3 | 12220121002002112122 |
4 | 2020133233002020 |
5 | 14142221123423 |
6 | 1015123030412 |
7 | 110514565400 |
oct | 21037570210 |
9 | 5817062478 |
10 | 2290020488 |
11 | a75725318 |
12 | 53ab0b408 |
13 | 2a658ca12 |
14 | 17a1d1800 |
15 | d609e8c8 |
hex | 887ef088 |
2290020488 has 36 divisors (see below), whose sum is σ = 4996882485. Its totient is φ = 981031296.
The previous prime is 2290020487. The next prime is 2290020511. The reversal of 2290020488 is 8840200922.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 1511498884 + 778521604 = 38878^2 + 27902^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=33838.
It is not an unprimeable number, because it can be changed into a prime (2290020487) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 946256 + ... + 948672.
Almost surely, 22290020488 is an apocalyptic number.
2290020488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
2290020488 is an abundant number, since it is smaller than the sum of its proper divisors (2706861997).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2290020488 is an frugal number, since it uses more digits than its factorization.
2290020488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4854 (or 2426 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 35.
The square root of 2290020488 is about 47854.1585235808. The cubic root of 2290020488 is about 1318.0942210414.
Multiplying 2290020488 by its product of nonzero digits (18432), we get a square (42209657634816 = 64968962).
The spelling of 2290020488 in words is "two billion, two hundred ninety million, twenty thousand, four hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •