Base | Representation |
---|---|
bin | 10001010011110… |
… | …11101111111001 |
3 | 101010020110011112 |
4 | 20221323233321 |
5 | 244133212421 |
6 | 22224210105 |
7 | 3412160552 |
oct | 1051735771 |
9 | 333213145 |
10 | 145210361 |
11 | 74a7076a |
12 | 40769935 |
13 | 24112aba |
14 | 153dd329 |
15 | cb3545b |
hex | 8a7bbf9 |
145210361 has 4 divisors (see below), whose sum is σ = 145390224. Its totient is φ = 145030500.
The previous prime is 145210357. The next prime is 145210363. The reversal of 145210361 is 163012541.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 145210361 - 22 = 145210357 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145210363) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88715 + ... + 90336.
It is an arithmetic number, because the mean of its divisors is an integer number (36347556).
Almost surely, 2145210361 is an apocalyptic number.
It is an amenable number.
145210361 is a deficient number, since it is larger than the sum of its proper divisors (179863).
145210361 is an equidigital number, since it uses as much as digits as its factorization.
145210361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 179862.
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 145210361 is about 12050.3261781580. The cubic root of 145210361 is about 525.6127219599.
The spelling of 145210361 in words is "one hundred forty-five million, two hundred ten thousand, three hundred sixty-one".
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