Base | Representation |
---|---|
bin | 100101010100011… |
… | …1011001001101111 |
3 | 10020021022111010111 |
4 | 1022220323021233 |
5 | 10031033221111 |
6 | 324131520451 |
7 | 43013611255 |
oct | 11250731157 |
9 | 3207274114 |
10 | 1252242031 |
11 | 592948a77 |
12 | 2ab459127 |
13 | 16c586221 |
14 | bc44c5d5 |
15 | 74e09a21 |
hex | 4aa3b26f |
1252242031 has 8 divisors (see below), whose sum is σ = 1270368000. Its totient is φ = 1234236960.
The previous prime is 1252242029. The next prime is 1252242071. The reversal of 1252242031 is 1302422521.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1252242031 - 21 = 1252242029 is a prime.
It is a super-2 number, since 2×12522420312 = 3136220208406009922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1252241993 and 1252242011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1252242071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9256 + ... + 50893.
It is an arithmetic number, because the mean of its divisors is an integer number (158796000).
Almost surely, 21252242031 is an apocalyptic number.
1252242031 is a deficient number, since it is larger than the sum of its proper divisors (18125969).
1252242031 is a wasteful number, since it uses less digits than its factorization.
1252242031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60449.
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 1252242031 is about 35387.0319608752. The cubic root of 1252242031 is about 1077.8610015914.
Adding to 1252242031 its reverse (1302422521), we get a palindrome (2554664552).
The spelling of 1252242031 in words is "one billion, two hundred fifty-two million, two hundred forty-two thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •