Base | Representation |
---|---|
bin | 101100100000… |
… | …0110000110100 |
3 | 1121220111011000 |
4 | 1121000300310 |
5 | 21433141230 |
6 | 2152043300 |
7 | 402222660 |
oct | 131006064 |
9 | 47814130 |
10 | 23333940 |
11 | 12198153 |
12 | 7993530 |
13 | 4aaca86 |
14 | 31558a0 |
15 | 20adb60 |
hex | 1640c34 |
23333940 has 96 divisors (see below), whose sum is σ = 82978560. Its totient is φ = 5332608.
The previous prime is 23333839. The next prime is 23333941. The reversal of 23333940 is 4933332.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23333941) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 694 + ... + 6866.
It is an arithmetic number, because the mean of its divisors is an integer number (864360).
Almost surely, 223333940 is an apocalyptic number.
23333940 is a gapful number since it is divisible by the number (20) 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 23333940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41489280).
23333940 is an abundant number, since it is smaller than the sum of its proper divisors (59644620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23333940 is a wasteful number, since it uses less digits than its factorization.
23333940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6198 (or 6190 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 27.
The square root of 23333940 is about 4830.5217109542. The cubic root of 23333940 is about 285.7564392567.
The spelling of 23333940 in words is "twenty-three million, three hundred thirty-three thousand, nine hundred forty".
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