Base | Representation |
---|---|
bin | 1110101010101… |
… | …11010000110110 |
3 | 22120112010021111 |
4 | 13111113100312 |
5 | 222444301242 |
6 | 20113105234 |
7 | 3022554412 |
oct | 725272066 |
9 | 276463244 |
10 | 123040822 |
11 | 634a9433 |
12 | 3525821a |
13 | 1c650028 |
14 | 124abd42 |
15 | ac06817 |
hex | 7557436 |
123040822 has 4 divisors (see below), whose sum is σ = 184561236. Its totient is φ = 61520410.
The previous prime is 123040741. The next prime is 123040837. The reversal of 123040822 is 228040321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 228040321 = 971 ⋅234851.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 123040793 and 123040802.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30760204 + ... + 30760207.
It is an arithmetic number, because the mean of its divisors is an integer number (46140309).
Almost surely, 2123040822 is an apocalyptic number.
123040822 is a deficient number, since it is larger than the sum of its proper divisors (61520414).
123040822 is an equidigital number, since it uses as much as digits as its factorization.
123040822 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61520413.
The product of its (nonzero) digits is 768, while the sum is 22.
The square root of 123040822 is about 11092.3767516254. The cubic root of 123040822 is about 497.3739950071.
The spelling of 123040822 in words is "one hundred twenty-three million, forty thousand, eight hundred twenty-two".
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