Base | Representation |
---|---|
bin | 101101001011… |
… | …0101100111010 |
3 | 1122120101000021 |
4 | 1122112230322 |
5 | 22030422241 |
6 | 2203401054 |
7 | 405220144 |
oct | 132265472 |
9 | 48511007 |
10 | 23685946 |
11 | 12408669 |
12 | 7b2318a |
13 | 4ba406b |
14 | 3207c94 |
15 | 212d0d1 |
hex | 1696b3a |
23685946 has 8 divisors (see below), whose sum is σ = 36395604. Its totient is φ = 11554080.
The previous prime is 23685941. The next prime is 23685997. The reversal of 23685946 is 64958632.
It can be written as a sum of positive squares in 2 ways, for example, as 23571025 + 114921 = 4855^2 + 339^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×236859462 = 1122048075829832, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23685941) 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, 144345 + ... + 144508.
Almost surely, 223685946 is an apocalyptic number.
23685946 is a deficient number, since it is larger than the sum of its proper divisors (12709658).
23685946 is a wasteful number, since it uses less digits than its factorization.
23685946 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 288896.
The product of its digits is 311040, while the sum is 43.
The square root of 23685946 is about 4866.8209336280. The cubic root of 23685946 is about 287.1862073512.
The spelling of 23685946 in words is "twenty-three million, six hundred eighty-five thousand, nine hundred forty-six".
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