Base | Representation |
---|---|
bin | 10010000111111… |
… | …11001011010001 |
3 | 101121002102212111 |
4 | 21003333023101 |
5 | 302410241040 |
6 | 23030425321 |
7 | 3524214505 |
oct | 1103771321 |
9 | 347072774 |
10 | 152040145 |
11 | 78906014 |
12 | 42b02241 |
13 | 256646aa |
14 | 1629a305 |
15 | d533dea |
hex | 90ff2d1 |
152040145 has 8 divisors (see below), whose sum is σ = 183128040. Its totient is φ = 121178880.
The previous prime is 152040113. The next prime is 152040149. The reversal of 152040145 is 541040251.
It can be written as a sum of positive squares in 4 ways, for example, as 3370896 + 148669249 = 1836^2 + 12193^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 152040145 - 25 = 152040113 is a prime.
It is not an unprimeable number, because it can be changed into a prime (152040149) 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, 55176 + ... + 57865.
It is an arithmetic number, because the mean of its divisors is an integer number (22891005).
Almost surely, 2152040145 is an apocalyptic number.
It is an amenable number.
152040145 is a deficient number, since it is larger than the sum of its proper divisors (31087895).
152040145 is a wasteful number, since it uses less digits than its factorization.
152040145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113315.
The product of its (nonzero) digits is 800, while the sum is 22.
The square root of 152040145 is about 12330.4559931902. The cubic root of 152040145 is about 533.7273093737.
Adding to 152040145 its reverse (541040251), we get a palindrome (693080396).
The spelling of 152040145 in words is "one hundred fifty-two million, forty thousand, one hundred forty-five".
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