Base | Representation |
---|---|
bin | 11110001000000… |
… | …10011011110101 |
3 | 122121112100021002 |
4 | 33010002123311 |
5 | 1004143414124 |
6 | 41024333045 |
7 | 6156025433 |
oct | 1704023365 |
9 | 577470232 |
10 | 252716789 |
11 | 11a719956 |
12 | 70774185 |
13 | 40484180 |
14 | 257c5d53 |
15 | 172be0ae |
hex | f1026f5 |
252716789 has 8 divisors (see below), whose sum is σ = 272667192. Its totient is φ = 232839360.
The previous prime is 252716767. The next prime is 252716797. The reversal of 252716789 is 987617252.
It is a happy number.
252716789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 16080100 + 236636689 = 4010^2 + 15383^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 252716789 - 212 = 252712693 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252716749) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10934 + ... + 24999.
It is an arithmetic number, because the mean of its divisors is an integer number (34083399).
Almost surely, 2252716789 is an apocalyptic number.
It is an amenable number.
252716789 is a deficient number, since it is larger than the sum of its proper divisors (19950403).
252716789 is a wasteful number, since it uses less digits than its factorization.
252716789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36487.
The product of its digits is 423360, while the sum is 47.
The square root of 252716789 is about 15897.0685662483. The cubic root of 252716789 is about 632.2342681225.
The spelling of 252716789 in words is "two hundred fifty-two million, seven hundred sixteen thousand, seven hundred eighty-nine".
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