Base | Representation |
---|---|
bin | 110110001100011… |
… | …110101100100001 |
3 | 2100100220020100002 |
4 | 312030132230201 |
5 | 3330231203441 |
6 | 230120105345 |
7 | 31350264515 |
oct | 6614365441 |
9 | 2310806302 |
10 | 909241121 |
11 | 427274348 |
12 | 214605255 |
13 | 1164b09c9 |
14 | 88a84145 |
15 | 54c54b9b |
hex | 3631eb21 |
909241121 has 4 divisors (see below), whose sum is σ = 922811952. Its totient is φ = 895670292.
The previous prime is 909241111. The next prime is 909241127. The reversal of 909241121 is 121142909.
909241121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121142909 = 23 ⋅5267083.
It is a cyclic number.
It is not a de Polignac number, because 909241121 - 26 = 909241057 is a prime.
It is a super-2 number, since 2×9092411212 = 1653438832234673282, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (909241127) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6785315 + ... + 6785448.
It is an arithmetic number, because the mean of its divisors is an integer number (230702988).
Almost surely, 2909241121 is an apocalyptic number.
It is an amenable number.
909241121 is a deficient number, since it is larger than the sum of its proper divisors (13570831).
909241121 is a wasteful number, since it uses less digits than its factorization.
909241121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13570830.
The product of its (nonzero) digits is 1296, while the sum is 29.
The square root of 909241121 is about 30153.6253375942. The cubic root of 909241121 is about 968.7826585951.
The spelling of 909241121 in words is "nine hundred nine million, two hundred forty-one thousand, one hundred twenty-one".
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