Base | Representation |
---|---|
bin | 1110100110010… |
… | …11111010010111 |
3 | 22112110010022101 |
4 | 13103023322113 |
5 | 222323020124 |
6 | 20052542531 |
7 | 3014656336 |
oct | 723137227 |
9 | 275403271 |
10 | 122470039 |
11 | 6314960a |
12 | 35021a47 |
13 | 1c4b02a3 |
14 | 1239dd1d |
15 | ab42644 |
hex | 74cbe97 |
122470039 has 4 divisors (see below), whose sum is σ = 123019456. Its totient is φ = 121920624.
The previous prime is 122470031. The next prime is 122470079. The reversal of 122470039 is 930074221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930074221 = 1801 ⋅516421.
It is a cyclic number.
It is not a de Polignac number, because 122470039 - 23 = 122470031 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122469989 and 122470016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122470031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274374 + ... + 274819.
It is an arithmetic number, because the mean of its divisors is an integer number (30754864).
Almost surely, 2122470039 is an apocalyptic number.
122470039 is a deficient number, since it is larger than the sum of its proper divisors (549417).
122470039 is an equidigital number, since it uses as much as digits as its factorization.
122470039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 549416.
The product of its (nonzero) digits is 3024, while the sum is 28.
The square root of 122470039 is about 11066.6182278056. The cubic root of 122470039 is about 496.6037012101.
The spelling of 122470039 in words is "one hundred twenty-two million, four hundred seventy thousand, thirty-nine".
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