Base | Representation |
---|---|
bin | 10001101101011… |
… | …100110011010000 |
3 | 202201002121210011 |
4 | 101231130303100 |
5 | 1102031031440 |
6 | 45252244304 |
7 | 10235352553 |
oct | 2155346320 |
9 | 681077704 |
10 | 297127120 |
11 | 1427a2004 |
12 | 83610694 |
13 | 49733284 |
14 | 2b66669a |
15 | 1b1429ea |
hex | 11b5ccd0 |
297127120 has 20 divisors (see below), whose sum is σ = 690820740. Its totient is φ = 118850816.
The previous prime is 297127109. The next prime is 297127121. The reversal of 297127120 is 21721792.
It is a happy number.
297127120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 225961024 + 71166096 = 15032^2 + 8436^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (297127121) 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, 1856965 + ... + 1857124.
It is an arithmetic number, because the mean of its divisors is an integer number (34541037).
Almost surely, 2297127120 is an apocalyptic number.
297127120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
297127120 is an abundant number, since it is smaller than the sum of its proper divisors (393693620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
297127120 is a wasteful number, since it uses less digits than its factorization.
297127120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3714102 (or 3714096 counting only the distinct ones).
The product of its (nonzero) digits is 3528, while the sum is 31.
The square root of 297127120 is about 17237.3756703275. The cubic root of 297127120 is about 667.2892029364.
The spelling of 297127120 in words is "two hundred ninety-seven million, one hundred twenty-seven thousand, one hundred twenty".
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