Base | Representation |
---|---|
bin | 10001010010011… |
… | …000010101000001 |
3 | 202012202002121200 |
4 | 101102120111001 |
5 | 1043221442123 |
6 | 44440211413 |
7 | 10121136114 |
oct | 2122302501 |
9 | 665662550 |
10 | 290030913 |
11 | 139795577 |
12 | 81169b69 |
13 | 4811a333 |
14 | 2a73a57b |
15 | 1a6e0143 |
hex | 11498541 |
290030913 has 12 divisors (see below), whose sum is σ = 419123328. Its totient is φ = 193266360.
The previous prime is 290030879. The next prime is 290030921. The reversal of 290030913 is 319030092.
It is not a de Polignac number, because 290030913 - 26 = 290030849 is a prime.
It is a super-2 number, since 2×2900309132 = 168235860991227138, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (290030933) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18456 + ... + 30342.
It is an arithmetic number, because the mean of its divisors is an integer number (34926944).
Almost surely, 2290030913 is an apocalyptic number.
It is an amenable number.
290030913 is a deficient number, since it is larger than the sum of its proper divisors (129092415).
290030913 is a wasteful number, since it uses less digits than its factorization.
290030913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14604 (or 14601 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 27.
The square root of 290030913 is about 17030.2939786722. The cubic root of 290030913 is about 661.9341130960.
The spelling of 290030913 in words is "two hundred ninety million, thirty thousand, nine hundred thirteen".
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