Base | Representation |
---|---|
bin | 101101101010… |
… | …1001101100100 |
3 | 1200001101020022 |
4 | 1123111031210 |
5 | 22112120423 |
6 | 2213054312 |
7 | 410334500 |
oct | 133251544 |
9 | 50041208 |
10 | 23941988 |
11 | 12572a74 |
12 | 8027398 |
13 | 4c63775 |
14 | 3273300 |
15 | 217ddc8 |
hex | 16d5364 |
23941988 has 72 divisors (see below), whose sum is σ = 52399872. Its totient is φ = 9520896.
The previous prime is 23941987. The next prime is 23942003. The reversal of 23941988 is 88914932.
It is a happy number.
Its product of digits (124416) is a multiple of the sum of its prime divisors (192).
It is not an unprimeable number, because it can be changed into a prime (23941987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211820 + ... + 211932.
It is an arithmetic number, because the mean of its divisors is an integer number (727776).
Almost surely, 223941988 is an apocalyptic number.
23941988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23941988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26199936).
23941988 is an abundant number, since it is smaller than the sum of its proper divisors (28457884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23941988 is a wasteful number, since it uses less digits than its factorization.
23941988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 201 (or 192 counting only the distinct ones).
The product of its digits is 124416, while the sum is 44.
The square root of 23941988 is about 4893.0550783738. The cubic root of 23941988 is about 288.2173160455.
The spelling of 23941988 in words is "twenty-three million, nine hundred forty-one thousand, nine hundred eighty-eight".
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