| Base | Representation |
|---|---|
| bin | 100101001001000… |
| … | …100110110000100 |
| 3 | 1121102112121002000 |
| 4 | 211021010312010 |
| 5 | 2234010324012 |
| 6 | 141455545300 |
| 7 | 21304366263 |
| oct | 4511046604 |
| 9 | 1542477060 |
| 10 | 623136132 |
| 11 | 29a820443 |
| 12 | 15482b230 |
| 13 | 9c139608 |
| 14 | 5ca8a5da |
| 15 | 39a8cddc |
| hex | 25244d84 |
623136132 has 48 divisors (see below), whose sum is σ = 1622537280. Its totient is φ = 206812224.
The previous prime is 623136097. The next prime is 623136133. The reversal of 623136132 is 231631326.
It is a happy number.
623136132 is a `hidden beast` number, since 623 + 1 + 3 + 6 + 1 + 32 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 623136096 and 623136105.
It is not an unprimeable number, because it can be changed into a prime (623136133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12783 + ... + 37545.
It is an arithmetic number, because the mean of its divisors is an integer number (33802860).
Almost surely, 2623136132 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 623136132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (811268640).
623136132 is an abundant number, since it is smaller than the sum of its proper divisors (999401148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
623136132 is a wasteful number, since it uses less digits than its factorization.
623136132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25009 (or 25001 counting only the distinct ones).
The product of its digits is 3888, while the sum is 27.
The square root of 623136132 is about 24962.6948064507. The cubic root of 623136132 is about 854.1372152172.
Adding to 623136132 its reverse (231631326), we get a palindrome (854767458).
The spelling of 623136132 in words is "six hundred twenty-three million, one hundred thirty-six thousand, one hundred thirty-two".
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