Base | Representation |
---|---|
bin | 111011010100… |
… | …011010111101 |
3 | 1002021000210011 |
4 | 323110122331 |
5 | 12440101031 |
6 | 1313143221 |
7 | 246113455 |
oct | 73243275 |
9 | 32230704 |
10 | 15550141 |
11 | 8861062 |
12 | 525ab11 |
13 | 32b5b89 |
14 | 20cad65 |
15 | 15726b1 |
hex | ed46bd |
15550141 has 2 divisors, whose sum is σ = 15550142. Its totient is φ = 15550140.
The previous prime is 15550103. The next prime is 15550159. The reversal of 15550141 is 14105551.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8940100 + 6610041 = 2990^2 + 2571^2 .
It is a cyclic number.
It is not a de Polignac number, because 15550141 - 29 = 15549629 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (15550541) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7775070 + 7775071.
It is an arithmetic number, because the mean of its divisors is an integer number (7775071).
Almost surely, 215550141 is an apocalyptic number.
It is an amenable number.
15550141 is a deficient number, since it is larger than the sum of its proper divisors (1).
15550141 is an equidigital number, since it uses as much as digits as its factorization.
15550141 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 500, while the sum is 22.
The square root of 15550141 is about 3943.3667087909. The cubic root of 15550141 is about 249.6001127016.
Adding to 15550141 its reverse (14105551), we get a palindrome (29655692).
The spelling of 15550141 in words is "fifteen million, five hundred fifty thousand, one hundred forty-one".
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