Base | Representation |
---|---|
bin | 101100001010… |
… | …0010011101100 |
3 | 1121120020101000 |
4 | 1120110103230 |
5 | 21411324402 |
6 | 2144120300 |
7 | 400534053 |
oct | 130242354 |
9 | 47506330 |
10 | 23151852 |
11 | 12083369 |
12 | 7906090 |
13 | 4a47c29 |
14 | 310939a |
15 | 2074c1c |
hex | 16144ec |
23151852 has 36 divisors (see below), whose sum is σ = 60153240. Its totient is φ = 7700616.
The previous prime is 23151851. The next prime is 23151853. The reversal of 23151852 is 25815132.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It is an interprime number because it is at equal distance from previous prime (23151851) and next prime (23151853).
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (23151851) 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 11 ways as a sum of consecutive naturals, for example, 49773 + ... + 50235.
Almost surely, 223151852 is an apocalyptic number.
It is an amenable number.
23151852 is an abundant number, since it is smaller than the sum of its proper divisors (37001388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23151852 is an equidigital number, since it uses as much as digits as its factorization.
23151852 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 939 (or 468 counting only the distinct ones).
The product of its digits is 2400, while the sum is 27.
The square root of 23151852 is about 4811.6371434263. The cubic root of 23151852 is about 285.0111906963.
Multiplying 23151852 by its sum of digits (27), we get a square (625100004 = 250022).
23151852 divided by its sum of digits (27) gives a square (857476 = 9262).
Adding to 23151852 its reverse (25815132), we get a palindrome (48966984).
The spelling of 23151852 in words is "twenty-three million, one hundred fifty-one thousand, eight hundred fifty-two".
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