Base | Representation |
---|---|
bin | 11110000101010… |
… | …01011000101010 |
3 | 122120211210220221 |
4 | 33002221120222 |
5 | 1004100231132 |
6 | 41012440254 |
7 | 6152646145 |
oct | 1702513052 |
9 | 576753827 |
10 | 252352042 |
11 | 11a49a908 |
12 | 7061908a |
13 | 40387147 |
14 | 2572d05c |
15 | 1724ae97 |
hex | f0a962a |
252352042 has 8 divisors (see below), whose sum is σ = 378598500. Its totient is φ = 126152544.
The previous prime is 252352039. The next prime is 252352043. The reversal of 252352042 is 240253252.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 249355681 + 2996361 = 15791^2 + 1731^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 252351998 and 252352016.
It is not an unprimeable number, because it can be changed into a prime (252352043) 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 3 ways as a sum of consecutive naturals, for example, 9084 + ... + 24232.
Almost surely, 2252352042 is an apocalyptic number.
252352042 is a deficient number, since it is larger than the sum of its proper divisors (126246458).
252352042 is a wasteful number, since it uses less digits than its factorization.
252352042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23480.
The product of its (nonzero) digits is 4800, while the sum is 25.
The square root of 252352042 is about 15885.5922772807. The cubic root of 252352042 is about 631.9299530470.
The spelling of 252352042 in words is "two hundred fifty-two million, three hundred fifty-two thousand, forty-two".
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