| Base | Representation |
|---|---|
| bin | 101100101101… |
| … | …0010101100000 |
| 3 | 1122002210211120 |
| 4 | 1121122111200 |
| 5 | 22000014223 |
| 6 | 2154212240 |
| 7 | 403140240 |
| oct | 131322540 |
| 9 | 48083746 |
| 10 | 23438688 |
| 11 | 12259919 |
| 12 | 7a24080 |
| 13 | 4b18660 |
| 14 | 3181b20 |
| 15 | 20cebe3 |
| hex | 165a560 |
23438688 has 96 divisors (see below), whose sum is σ = 75753216. Its totient is φ = 6179328.
The previous prime is 23438683. The next prime is 23438689. The reversal of 23438688 is 88683432.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×234386882 = 1098744190322688, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23438683) 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, 7395 + ... + 10077.
It is an arithmetic number, because the mean of its divisors is an integer number (789096).
Almost surely, 223438688 is an apocalyptic number.
23438688 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 23438688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37876608).
23438688 is an abundant number, since it is smaller than the sum of its proper divisors (52314528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23438688 is a wasteful number, since it uses less digits than its factorization.
23438688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2716 (or 2708 counting only the distinct ones).
The product of its digits is 221184, while the sum is 42.
The square root of 23438688 is about 4841.3518773169. The cubic root of 23438688 is about 286.1833958296.
The spelling of 23438688 in words is "twenty-three million, four hundred thirty-eight thousand, six hundred eighty-eight".
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