Base | Representation |
---|---|
bin | 1110100110000… |
… | …00101011101111 |
3 | 22112100210012222 |
4 | 13103000223233 |
5 | 222320032142 |
6 | 20051545555 |
7 | 3014405264 |
oct | 723005357 |
9 | 275323188 |
10 | 122424047 |
11 | 63117aa9 |
12 | 34bbb2bb |
13 | 1c495385 |
14 | 1238b26b |
15 | ab33bd2 |
hex | 74c0aef |
122424047 has 4 divisors (see below), whose sum is σ = 123203976. Its totient is φ = 121644120.
The previous prime is 122424037. The next prime is 122424061. The reversal of 122424047 is 740424221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740424221 = 1123 ⋅659327.
It is a cyclic number.
It is not a de Polignac number, because 122424047 - 212 = 122419951 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 (122424017) 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, 389729 + ... + 390042.
It is an arithmetic number, because the mean of its divisors is an integer number (30800994).
Almost surely, 2122424047 is an apocalyptic number.
122424047 is a deficient number, since it is larger than the sum of its proper divisors (779929).
122424047 is an equidigital number, since it uses as much as digits as its factorization.
122424047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 779928.
The product of its (nonzero) digits is 3584, while the sum is 26.
The square root of 122424047 is about 11064.5400717789. The cubic root of 122424047 is about 496.5415291141.
Adding to 122424047 its reverse (740424221), we get a palindrome (862848268).
The spelling of 122424047 in words is "one hundred twenty-two million, four hundred twenty-four thousand, forty-seven".
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