Base | Representation |
---|---|
bin | 1000100010010100… |
… | …1000010111010100 |
3 | 12220200201221211122 |
4 | 2020211020113110 |
5 | 14143101404324 |
6 | 1015213223112 |
7 | 110532606260 |
oct | 21045102724 |
9 | 5820657748 |
10 | 2291434964 |
11 | a76501005 |
12 | 53b491a98 |
13 | 2a69667a0 |
14 | 17a47d0a0 |
15 | d627da5e |
hex | 889485d4 |
2291434964 has 96 divisors (see below), whose sum is σ = 5245148160. Its totient is φ = 850010112.
The previous prime is 2291434963. The next prime is 2291434987. The reversal of 2291434964 is 4694341922.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2291434963) 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, 2270492 + ... + 2271500.
It is an arithmetic number, because the mean of its divisors is an integer number (54636960).
Almost surely, 22291434964 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2291434964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2622574080).
2291434964 is an abundant number, since it is smaller than the sum of its proper divisors (2953713196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2291434964 is a wasteful number, since it uses less digits than its factorization.
With its successor (2291434965) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (1415).
With its successor (2291434965) it forms an eRAP, since the sums of their prime factors are consecutive (1417 and 1418).
2291434964 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1417 (or 1415 counting only the distinct ones).
The product of its digits is 373248, while the sum is 44.
The square root of 2291434964 is about 47868.9352712174. The cubic root of 2291434964 is about 1318.3655474217.
The spelling of 2291434964 in words is "two billion, two hundred ninety-one million, four hundred thirty-four thousand, nine hundred sixty-four".
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