Base | Representation |
---|---|
bin | 11100101011011… |
… | …110001100001001 |
3 | 1020112101100112212 |
4 | 130223132030021 |
5 | 1441134023042 |
6 | 115424514505 |
7 | 14631526463 |
oct | 3453361411 |
9 | 1215340485 |
10 | 481157897 |
11 | 227668060 |
12 | 11517ba35 |
13 | 788b8a1c |
14 | 47c8d133 |
15 | 2c395482 |
hex | 1cade309 |
481157897 has 8 divisors (see below), whose sum is σ = 525547200. Its totient is φ = 436876560.
The previous prime is 481157801. The next prime is 481157909. The reversal of 481157897 is 798751184.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 481157897 - 212 = 481153801 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (481157297) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17522 + ... + 35627.
It is an arithmetic number, because the mean of its divisors is an integer number (65693400).
Almost surely, 2481157897 is an apocalyptic number.
It is an amenable number.
481157897 is a deficient number, since it is larger than the sum of its proper divisors (44389303).
481157897 is a wasteful number, since it uses less digits than its factorization.
481157897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53983.
The product of its digits is 564480, while the sum is 50.
The square root of 481157897 is about 21935.3116458372. The cubic root of 481157897 is about 783.6026078727.
The spelling of 481157897 in words is "four hundred eighty-one million, one hundred fifty-seven thousand, eight hundred ninety-seven".
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