Base | Representation |
---|---|
bin | 10001101111011… |
… | …001100010100111 |
3 | 202202001120122200 |
4 | 101233121202213 |
5 | 1102143404210 |
6 | 45311225543 |
7 | 10242611301 |
oct | 2157314247 |
9 | 682046580 |
10 | 297638055 |
11 | 143010970 |
12 | 838182b3 |
13 | 498819c0 |
14 | 2b75a971 |
15 | 1b1e40c0 |
hex | 11bd98a7 |
297638055 has 96 divisors (see below), whose sum is σ = 632765952. Its totient is φ = 127353600.
The previous prime is 297637999. The next prime is 297638069. The reversal of 297638055 is 550836792.
It is a happy number.
297638055 is a `hidden beast` number, since 2 + 9 + 7 + 638 + 0 + 5 + 5 = 666.
It is not a de Polignac number, because 297638055 - 27 = 297637927 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 297638055.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 147000 + ... + 149010.
It is an arithmetic number, because the mean of its divisors is an integer number (6591312).
Almost surely, 2297638055 is an apocalyptic number.
297638055 is an abundant number, since it is smaller than the sum of its proper divisors (335127897).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
297638055 is a wasteful number, since it uses less digits than its factorization.
297638055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2069 (or 2066 counting only the distinct ones).
The product of its (nonzero) digits is 453600, while the sum is 45.
The square root of 297638055 is about 17252.1898610003. The cubic root of 297638055 is about 667.6714704875.
The spelling of 297638055 in words is "two hundred ninety-seven million, six hundred thirty-eight thousand, fifty-five".
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