Base | Representation |
---|---|
bin | 101100010110… |
… | …1011000010001 |
3 | 1121202110020110 |
4 | 1120231120101 |
5 | 21423121140 |
6 | 2150231533 |
7 | 401442336 |
oct | 130553021 |
9 | 47673213 |
10 | 23254545 |
11 | 12143536 |
12 | 79555a9 |
13 | 4a828b2 |
14 | 313498d |
15 | 2095380 |
hex | 162d611 |
23254545 has 16 divisors (see below), whose sum is σ = 37910592. Its totient is φ = 12168000.
The previous prime is 23254523. The next prime is 23254547. The reversal of 23254545 is 54545232.
It is not a de Polignac number, because 23254545 - 28 = 23254289 is a prime.
It is an alternating number because its digits alternate between even and odd.
23254545 is a modest number, since divided by 4545 gives 2325 as remainder.
It is not an unprimeable number, because it can be changed into a prime (23254547) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13831 + ... + 15420.
It is an arithmetic number, because the mean of its divisors is an integer number (2369412).
Almost surely, 223254545 is an apocalyptic number.
It is an amenable number.
23254545 is a deficient number, since it is larger than the sum of its proper divisors (14656047).
23254545 is a wasteful number, since it uses less digits than its factorization.
23254545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29312.
The product of its digits is 24000, while the sum is 30.
The square root of 23254545 is about 4822.2966520114. The cubic root of 23254545 is about 285.4319703612.
Adding to 23254545 its reverse (54545232), we get a palindrome (77799777).
The spelling of 23254545 in words is "twenty-three million, two hundred fifty-four thousand, five hundred forty-five".
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