Base | Representation |
---|---|
bin | 11110000101011… |
… | …10110010010001 |
3 | 122120212221021011 |
4 | 33002232302101 |
5 | 1004101433121 |
6 | 41013130521 |
7 | 6153100504 |
oct | 1702566221 |
9 | 576787234 |
10 | 252374161 |
11 | 11a505496 |
12 | 70629a41 |
13 | 40394230 |
14 | 2573713b |
15 | 172527e1 |
hex | f0aec91 |
252374161 has 16 divisors (see below), whose sum is σ = 278659584. Its totient is φ = 227110464.
The previous prime is 252374149. The next prime is 252374209. The reversal of 252374161 is 161473252.
252374161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 252374161 - 215 = 252341393 is a prime.
It is a Duffinian number.
Its product of digits (10080) is a multiple of the sum of its prime divisors (1680).
It is not an unprimeable number, because it can be changed into a prime (252374761) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193036 + ... + 194338.
It is an arithmetic number, because the mean of its divisors is an integer number (17416224).
Almost surely, 2252374161 is an apocalyptic number.
It is an amenable number.
252374161 is a deficient number, since it is larger than the sum of its proper divisors (26285423).
252374161 is a wasteful number, since it uses less digits than its factorization.
252374161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1680.
The product of its digits is 10080, while the sum is 31.
The square root of 252374161 is about 15886.2884589195. The cubic root of 252374161 is about 631.9484156811.
Subtracting from 252374161 its reverse (161473252), we obtain a palindrome (90900909).
The spelling of 252374161 in words is "two hundred fifty-two million, three hundred seventy-four thousand, one hundred sixty-one".
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