Base | Representation |
---|---|
bin | 101101100011… |
… | …0010110100010 |
3 | 1122221021202000 |
4 | 1123012112202 |
5 | 22103143442 |
6 | 2211504430 |
7 | 406662156 |
oct | 133062642 |
9 | 48837660 |
10 | 23881122 |
11 | 12531271 |
12 | 7bb8116 |
13 | 4c41b55 |
14 | 3259066 |
15 | 216ad4c |
hex | 16c65a2 |
23881122 has 16 divisors (see below), whose sum is σ = 53069280. Its totient is φ = 7960356.
The previous prime is 23881069. The next prime is 23881127. The reversal of 23881122 is 22118832.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (23881127) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221068 + ... + 221175.
It is an arithmetic number, because the mean of its divisors is an integer number (3316830).
Almost surely, 223881122 is an apocalyptic number.
23881122 is an abundant number, since it is smaller than the sum of its proper divisors (29188158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23881122 is a wasteful number, since it uses less digits than its factorization.
23881122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 442254 (or 442248 counting only the distinct ones).
The product of its digits is 1536, while the sum is 27.
The square root of 23881122 is about 4886.8314888074. The cubic root of 23881122 is about 287.9728707084.
Adding to 23881122 its reverse (22118832), we get a palindrome (45999954).
The spelling of 23881122 in words is "twenty-three million, eight hundred eighty-one thousand, one hundred twenty-two".
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