Base | Representation |
---|---|
bin | 1110101100000… |
… | …11110111000100 |
3 | 22120212101212001 |
4 | 13112003313010 |
5 | 223021122432 |
6 | 20121035044 |
7 | 3024245110 |
oct | 726036704 |
9 | 276771761 |
10 | 123223492 |
11 | 636136a7 |
12 | 35325a84 |
13 | 1c6b5212 |
14 | 12518740 |
15 | ac409e7 |
hex | 7583dc4 |
123223492 has 12 divisors (see below), whose sum is σ = 246447040. Its totient is φ = 52810056.
The previous prime is 123223483. The next prime is 123223501. The reversal of 123223492 is 294322321.
It is an interprime number because it is at equal distance from previous prime (123223483) and next prime (123223501).
123223492 is an admirable number.
It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 4400839 = 123223492 / (1 + 2 + 3 + 2 + 2 + 3 + 4 + 9 + 2).
It is a self number, because there is not a number n which added to its sum of digits gives 123223492.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2200392 + ... + 2200447.
Almost surely, 2123223492 is an apocalyptic number.
It is an amenable number.
123223492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123223492 is a wasteful number, since it uses less digits than its factorization.
123223492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4400850 (or 4400848 counting only the distinct ones).
The product of its digits is 5184, while the sum is 28.
The square root of 123223492 is about 11100.6077311109. The cubic root of 123223492 is about 497.6200119552.
The spelling of 123223492 in words is "one hundred twenty-three million, two hundred twenty-three thousand, four hundred ninety-two".
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