Base | Representation |
---|---|
bin | 101101001010… |
… | …0110011101110 |
3 | 1122112222101000 |
4 | 1122110303232 |
5 | 22030200230 |
6 | 2203301130 |
7 | 405155424 |
oct | 132246356 |
9 | 48488330 |
10 | 23678190 |
11 | 12402858 |
12 | 7b1a7a6 |
13 | 4ba0683 |
14 | 3205114 |
15 | 212ab60 |
hex | 1694cee |
23678190 has 32 divisors (see below), whose sum is σ = 63142560. Its totient is φ = 6314112.
The previous prime is 23678189. The next prime is 23678191. The reversal of 23678190 is 9187632.
It is an interprime number because it is at equal distance from previous prime (23678189) and next prime (23678191).
It is a super-2 number, since 2×236781902 = 1121313363352200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23678191) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43579 + ... + 44118.
It is an arithmetic number, because the mean of its divisors is an integer number (1973205).
Almost surely, 223678190 is an apocalyptic number.
23678190 is an abundant number, since it is smaller than the sum of its proper divisors (39464370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23678190 is a wasteful number, since it uses less digits than its factorization.
23678190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87713 (or 87707 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 23678190 is about 4866.0240443302. The cubic root of 23678190 is about 287.1548574051.
The spelling of 23678190 in words is "twenty-three million, six hundred seventy-eight thousand, one hundred ninety".
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