Base | Representation |
---|---|
bin | 101001100101… |
… | …111001010001 |
3 | 202111221021022 |
4 | 221211321101 |
5 | 10242344441 |
6 | 1025405225 |
7 | 161450345 |
oct | 51457121 |
9 | 22457238 |
10 | 10903121 |
11 | 6177749 |
12 | 3799815 |
13 | 2349968 |
14 | 163b625 |
15 | e5584b |
hex | a65e51 |
10903121 has 2 divisors, whose sum is σ = 10903122. Its totient is φ = 10903120.
The previous prime is 10903117. The next prime is 10903133. The reversal of 10903121 is 12130901.
It is a happy number.
10903121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9241600 + 1661521 = 3040^2 + 1289^2 .
It is an emirp because it is prime and its reverse (12130901) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10903121 - 22 = 10903117 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 10903121.
It is not a weakly prime, because it can be changed into another prime (10903721) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5451560 + 5451561.
It is an arithmetic number, because the mean of its divisors is an integer number (5451561).
Almost surely, 210903121 is an apocalyptic number.
It is an amenable number.
10903121 is a deficient number, since it is larger than the sum of its proper divisors (1).
10903121 is an equidigital number, since it uses as much as digits as its factorization.
10903121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 54, while the sum is 17.
The square root of 10903121 is about 3301.9874318356. The cubic root of 10903121 is about 221.7431829865.
The spelling of 10903121 in words is "ten million, nine hundred three thousand, one hundred twenty-one".
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