Base | Representation |
---|---|
bin | 1000001010010110… |
… | …0100000011001110 |
3 | 12122200112111022111 |
4 | 2002211210003032 |
5 | 13441331310240 |
6 | 1001222134234 |
7 | 105202134013 |
oct | 20245440316 |
9 | 5580474274 |
10 | 2190885070 |
11 | a24774420 |
12 | 51188137a |
13 | 28bb8c8ca |
14 | 16ad8770a |
15 | cc51b1ea |
hex | 829640ce |
2190885070 has 32 divisors (see below), whose sum is σ = 4418382816. Its totient is φ = 775152000.
The previous prime is 2190885049. The next prime is 2190885077. The reversal of 2190885070 is 705880912.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2190885077) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265081 + ... + 273220.
It is an arithmetic number, because the mean of its divisors is an integer number (138074463).
Almost surely, 22190885070 is an apocalyptic number.
2190885070 is an abundant number, since it is smaller than the sum of its proper divisors (2227497746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2190885070 is a wasteful number, since it uses less digits than its factorization.
2190885070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 538356.
The product of its (nonzero) digits is 40320, while the sum is 40.
The square root of 2190885070 is about 46806.8912661373. The cubic root of 2190885070 is about 1298.7927786912.
The spelling of 2190885070 in words is "two billion, one hundred ninety million, eight hundred eighty-five thousand, seventy".
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