Base | Representation |
---|---|
bin | 101011111111… |
… | …0010010001011 |
3 | 1121101122121221 |
4 | 1113332102023 |
5 | 21400433033 |
6 | 2142142511 |
7 | 400010053 |
oct | 127762213 |
9 | 47348557 |
10 | 23061643 |
11 | 12021610 |
12 | 7881a37 |
13 | 4a15b57 |
14 | 30c4563 |
15 | 205812d |
hex | 15fe48b |
23061643 has 8 divisors (see below), whose sum is σ = 25202160. Its totient is φ = 20928480.
The previous prime is 23061637. The next prime is 23061659. The reversal of 23061643 is 34616032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23061643 - 29 = 23061131 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23061683) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6321 + ... + 9277.
It is an arithmetic number, because the mean of its divisors is an integer number (3150270).
Almost surely, 223061643 is an apocalyptic number.
23061643 is a deficient number, since it is larger than the sum of its proper divisors (2140517).
23061643 is a wasteful number, since it uses less digits than its factorization.
23061643 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3677.
The product of its (nonzero) digits is 2592, while the sum is 25.
The square root of 23061643 is about 4802.2539499697. The cubic root of 23061643 is about 284.6405358287.
Adding to 23061643 its reverse (34616032), we get a palindrome (57677675).
The spelling of 23061643 in words is "twenty-three million, sixty-one thousand, six hundred forty-three".
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