Base | Representation |
---|---|
bin | 10001010011111… |
… | …11110101100111 |
3 | 101010021022010220 |
4 | 20221333311213 |
5 | 244134231421 |
6 | 22224415423 |
7 | 3412260441 |
oct | 1051776547 |
9 | 333238126 |
10 | 145227111 |
11 | 74a82307 |
12 | 40777573 |
13 | 2411a603 |
14 | 15405491 |
15 | cb3a3c6 |
hex | 8a7fd67 |
145227111 has 8 divisors (see below), whose sum is σ = 193777920. Its totient is φ = 96747192.
The previous prime is 145227079. The next prime is 145227113. The reversal of 145227111 is 111722541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 145227111 - 25 = 145227079 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145227113) 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, 12741 + ... + 21278.
It is an arithmetic number, because the mean of its divisors is an integer number (24222240).
Almost surely, 2145227111 is an apocalyptic number.
145227111 is a deficient number, since it is larger than the sum of its proper divisors (48550809).
145227111 is a wasteful number, since it uses less digits than its factorization.
145227111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35445.
The product of its digits is 560, while the sum is 24.
The square root of 145227111 is about 12051.0211600511. The cubic root of 145227111 is about 525.6329309737.
Adding to 145227111 its reverse (111722541), we get a palindrome (256949652).
The spelling of 145227111 in words is "one hundred forty-five million, two hundred twenty-seven thousand, one hundred eleven".
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