Base | Representation |
---|---|
bin | 1101110100100100… |
… | …00011100101010100 |
3 | 201011010112101212221 |
4 | 12322102003211110 |
5 | 110144041401430 |
6 | 3224145552124 |
7 | 351611123032 |
oct | 67222034524 |
9 | 21133471787 |
10 | 7420262740 |
11 | 31685aa250 |
12 | 1531045644 |
13 | 9133c0417 |
14 | 5056b7552 |
15 | 2d668157a |
hex | 1ba483954 |
7420262740 has 48 divisors (see below), whose sum is σ = 17107501824. Its totient is φ = 2681078400.
The previous prime is 7420262723. The next prime is 7420262743. The reversal of 7420262740 is 472620247.
It is a junction number, because it is equal to n+sod(n) for n = 7420262696 and 7420262705.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7420262743) 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, 72876 + ... + 141955.
It is an arithmetic number, because the mean of its divisors is an integer number (356406288).
Almost surely, 27420262740 is an apocalyptic number.
It is an amenable number.
7420262740 is an abundant number, since it is smaller than the sum of its proper divisors (9687239084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7420262740 is a wasteful number, since it uses less digits than its factorization.
7420262740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 215008 (or 215006 counting only the distinct ones).
The product of its (nonzero) digits is 37632, while the sum is 34.
The square root of 7420262740 is about 86140.9469416259. The cubic root of 7420262740 is about 1950.4721837031.
Adding to 7420262740 its reverse (472620247), we get a palindrome (7892882987).
The spelling of 7420262740 in words is "seven billion, four hundred twenty million, two hundred sixty-two thousand, seven hundred forty".
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