Base | Representation |
---|---|
bin | 101100001010… |
… | …0100111110110 |
3 | 1121120022010210 |
4 | 1120110213312 |
5 | 21411400032 |
6 | 2144130250 |
7 | 400540605 |
oct | 130244766 |
9 | 47508123 |
10 | 23153142 |
11 | 12084331 |
12 | 7906986 |
13 | 4a486ac |
14 | 3109a3c |
15 | 20752cc |
hex | 16149f6 |
23153142 has 16 divisors (see below), whose sum is σ = 46362672. Its totient is φ = 7708320.
The previous prime is 23153129. The next prime is 23153149. The reversal of 23153142 is 24135132.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23153149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4548 + ... + 8184.
It is an arithmetic number, because the mean of its divisors is an integer number (2897667).
Almost surely, 223153142 is an apocalyptic number.
23153142 is an abundant number, since it is smaller than the sum of its proper divisors (23209530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23153142 is a wasteful number, since it uses less digits than its factorization.
23153142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4703.
The product of its digits is 720, while the sum is 21.
The square root of 23153142 is about 4811.7711915676. The cubic root of 23153142 is about 285.0164841189.
Adding to 23153142 its reverse (24135132), we get a palindrome (47288274).
The spelling of 23153142 in words is "twenty-three million, one hundred fifty-three thousand, one hundred forty-two".
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