Base | Representation |
---|---|
bin | 11100101110011… |
… | …101010011001111 |
3 | 1020120212010100002 |
4 | 130232131103033 |
5 | 1441334100222 |
6 | 115453354515 |
7 | 14641266614 |
oct | 3456352317 |
9 | 1216763302 |
10 | 481940687 |
11 | 228052198 |
12 | 115498a3b |
13 | 78b01107 |
14 | 4801450b |
15 | 2c49c392 |
hex | 1cb9d4cf |
481940687 has 16 divisors (see below), whose sum is σ = 499968000. Its totient is φ = 464335200.
The previous prime is 481940639. The next prime is 481940737. The reversal of 481940687 is 786049184.
It is a cyclic number.
It is not a de Polignac number, because 481940687 - 216 = 481875151 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (481940617) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 965564 + ... + 966062.
It is an arithmetic number, because the mean of its divisors is an integer number (31248000).
Almost surely, 2481940687 is an apocalyptic number.
481940687 is a deficient number, since it is larger than the sum of its proper divisors (18027313).
481940687 is a wasteful number, since it uses less digits than its factorization.
481940687 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 854.
The product of its (nonzero) digits is 387072, while the sum is 47.
The square root of 481940687 is about 21953.1475419813. The cubic root of 481940687 is about 784.0273221901.
The spelling of 481940687 in words is "four hundred eighty-one million, nine hundred forty thousand, six hundred eighty-seven".
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