Base | Representation |
---|---|
bin | 1101011110101… |
… | …10100011000101 |
3 | 21212202212200121 |
4 | 12233112203011 |
5 | 212421421141 |
6 | 15115341541 |
7 | 2542063603 |
oct | 657264305 |
9 | 255685617 |
10 | 113076421 |
11 | 58912a97 |
12 | 31a518b1 |
13 | 1a571733 |
14 | 11036873 |
15 | 9dd91d1 |
hex | 6bd68c5 |
113076421 has 4 divisors (see below), whose sum is σ = 113272972. Its totient is φ = 112879872.
The previous prime is 113076409. The next prime is 113076451. The reversal of 113076421 is 124670311.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124670311 = 7681 ⋅16231.
It can be written as a sum of positive squares in 2 ways, for example, as 80460900 + 32615521 = 8970^2 + 5711^2 .
It is a cyclic number.
It is not a de Polignac number, because 113076421 - 211 = 113074373 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (113076451) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97410 + ... + 98563.
It is an arithmetic number, because the mean of its divisors is an integer number (28318243).
Almost surely, 2113076421 is an apocalyptic number.
It is an amenable number.
113076421 is a deficient number, since it is larger than the sum of its proper divisors (196551).
113076421 is an equidigital number, since it uses as much as digits as its factorization.
113076421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 196550.
The product of its (nonzero) digits is 1008, while the sum is 25.
The square root of 113076421 is about 10633.7397466743. The cubic root of 113076421 is about 483.5677745997.
The spelling of 113076421 in words is "one hundred thirteen million, seventy-six thousand, four hundred twenty-one".
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