Base | Representation |
---|---|
bin | 1001111100011… |
… | …10101101100011 |
3 | 12210222021112121 |
4 | 10332032231203 |
5 | 132324001201 |
6 | 12140005111 |
7 | 2032034656 |
oct | 476165543 |
9 | 183867477 |
10 | 83422051 |
11 | 430a9249 |
12 | 23b30797 |
13 | 1438ab7b |
14 | b11789d |
15 | 74cc9a1 |
hex | 4f8eb63 |
83422051 has 4 divisors (see below), whose sum is σ = 83447152. Its totient is φ = 83396952.
The previous prime is 83422049. The next prime is 83422057. The reversal of 83422051 is 15022438.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15022438 = 2 ⋅7511219.
It is a cyclic number.
It is not a de Polignac number, because 83422051 - 21 = 83422049 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83422057) 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, 6636 + ... + 14521.
It is an arithmetic number, because the mean of its divisors is an integer number (20861788).
Almost surely, 283422051 is an apocalyptic number.
83422051 is a deficient number, since it is larger than the sum of its proper divisors (25101).
83422051 is a wasteful number, since it uses less digits than its factorization.
83422051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25100.
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 83422051 is about 9133.5672658606. The cubic root of 83422051 is about 436.9451814352.
Adding to 83422051 its reverse (15022438), we get a palindrome (98444489).
The spelling of 83422051 in words is "eighty-three million, four hundred twenty-two thousand, fifty-one".
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