Base | Representation |
---|---|
bin | 10010000111110… |
… | …11100101101001 |
3 | 101121001200201012 |
4 | 21003323211221 |
5 | 302404303244 |
6 | 23030233305 |
7 | 3524123612 |
oct | 1103734551 |
9 | 347050635 |
10 | 152025449 |
11 | 788a5a74 |
12 | 42ab5835 |
13 | 2565aab4 |
14 | 16294c09 |
15 | d52e89e |
hex | 90fb969 |
152025449 has 2 divisors, whose sum is σ = 152025450. Its totient is φ = 152025448.
The previous prime is 152025431. The next prime is 152025463. The reversal of 152025449 is 944520251.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 151782400 + 243049 = 12320^2 + 493^2 .
It is a cyclic number.
It is not a de Polignac number, because 152025449 - 220 = 150976873 is a prime.
It is a super-2 number, since 2×1520254492 = 46223474287303202, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (152021449) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76012724 + 76012725.
It is an arithmetic number, because the mean of its divisors is an integer number (76012725).
Almost surely, 2152025449 is an apocalyptic number.
It is an amenable number.
152025449 is a deficient number, since it is larger than the sum of its proper divisors (1).
152025449 is an equidigital number, since it uses as much as digits as its factorization.
152025449 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 14400, while the sum is 32.
The square root of 152025449 is about 12329.8600559779. The cubic root of 152025449 is about 533.7101123602.
The spelling of 152025449 in words is "one hundred fifty-two million, twenty-five thousand, four hundred forty-nine".
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