Base | Representation |
---|---|
bin | 10010001011110… |
… | …01101111000001 |
3 | 101122000221111002 |
4 | 21011321233001 |
5 | 303022322040 |
6 | 23045301345 |
7 | 3531405200 |
oct | 1105715701 |
9 | 348027432 |
10 | 152542145 |
11 | 79119198 |
12 | 43104855 |
13 | 257ac032 |
14 | 1638b237 |
15 | d5d2a15 |
hex | 9179bc1 |
152542145 has 12 divisors (see below), whose sum is σ = 212936724. Its totient is φ = 104600160.
The previous prime is 152542123. The next prime is 152542153. The reversal of 152542145 is 541245251.
152542145 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 2 ways, for example, as 120472576 + 32069569 = 10976^2 + 5663^2 .
It is not a de Polignac number, because 152542145 - 218 = 152280001 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311066 + ... + 311555.
It is an arithmetic number, because the mean of its divisors is an integer number (17744727).
Almost surely, 2152542145 is an apocalyptic number.
It is an amenable number.
152542145 is a deficient number, since it is larger than the sum of its proper divisors (60394579).
152542145 is an equidigital number, since it uses as much as digits as its factorization.
152542145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 622640 (or 622633 counting only the distinct ones).
The product of its digits is 8000, while the sum is 29.
The square root of 152542145 is about 12350.7953185210. The cubic root of 152542145 is about 534.3140771374.
Adding to 152542145 its reverse (541245251), we get a palindrome (693787396).
The spelling of 152542145 in words is "one hundred fifty-two million, five hundred forty-two thousand, one hundred forty-five".
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