Base | Representation |
---|---|
bin | 101001100101… |
… | …101010000101 |
3 | 202111212221022 |
4 | 221211222011 |
5 | 10242332044 |
6 | 1025400525 |
7 | 161444456 |
oct | 51455205 |
9 | 22455838 |
10 | 10902149 |
11 | 6176a45 |
12 | 3799145 |
13 | 234939b |
14 | 163b12d |
15 | e553ee |
hex | a65a85 |
10902149 has 2 divisors, whose sum is σ = 10902150. Its totient is φ = 10902148.
The previous prime is 10902137. The next prime is 10902191. The reversal of 10902149 is 94120901.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 5808100 + 5094049 = 2410^2 + 2257^2 .
It is a cyclic number.
It is not a de Polignac number, because 10902149 - 212 = 10898053 is a prime.
It is equal to p720476 and since 10902149 and 720476 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10902119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5451074 + 5451075.
It is an arithmetic number, because the mean of its divisors is an integer number (5451075).
Almost surely, 210902149 is an apocalyptic number.
It is an amenable number.
10902149 is a deficient number, since it is larger than the sum of its proper divisors (1).
10902149 is an equidigital number, since it uses as much as digits as its factorization.
10902149 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 648, while the sum is 26.
The square root of 10902149 is about 3301.8402444697. The cubic root of 10902149 is about 221.7365934122.
The spelling of 10902149 in words is "ten million, nine hundred two thousand, one hundred forty-nine".
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