Base | Representation |
---|---|
bin | 101011111010… |
… | …0111011101100 |
3 | 1121022201002022 |
4 | 1113310323230 |
5 | 21343221330 |
6 | 2141245312 |
7 | 366460304 |
oct | 127647354 |
9 | 47281068 |
10 | 23023340 |
11 | 11aa585a |
12 | 7863838 |
13 | 4a015a2 |
14 | 30b4604 |
15 | 204bae5 |
hex | 15f4eec |
23023340 has 12 divisors (see below), whose sum is σ = 48349056. Its totient is φ = 9209328.
The previous prime is 23023327. The next prime is 23023349. The reversal of 23023340 is 4332032.
It is not an unprimeable number, because it can be changed into a prime (23023349) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575564 + ... + 575603.
It is an arithmetic number, because the mean of its divisors is an integer number (4029088).
Almost surely, 223023340 is an apocalyptic number.
23023340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23023340 is an abundant number, since it is smaller than the sum of its proper divisors (25325716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23023340 is a wasteful number, since it uses less digits than its factorization.
23023340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1151176 (or 1151174 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 17.
The square root of 23023340 is about 4798.2642695041. The cubic root of 23023340 is about 284.4828623556.
Adding to 23023340 its reverse (4332032), we get a palindrome (27355372).
The spelling of 23023340 in words is "twenty-three million, twenty-three thousand, three hundred forty".
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