Base | Representation |
---|---|
bin | 11011101101010… |
… | …101011001111011 |
3 | 1012101201210100220 |
4 | 123231111121323 |
5 | 1423001301422 |
6 | 114043431123 |
7 | 14343215112 |
oct | 3355253173 |
9 | 1171653326 |
10 | 464868987 |
11 | 219451a50 |
12 | 10b8254a3 |
13 | 7540480b |
14 | 45a4cc79 |
15 | 2ac28e5c |
hex | 1bb5567b |
464868987 has 16 divisors (see below), whose sum is σ = 679162752. Its totient is φ = 280493120.
The previous prime is 464868949. The next prime is 464869003. The reversal of 464868987 is 789868464.
It is a cyclic number.
It is not a de Polignac number, because 464868987 - 26 = 464868923 is a prime.
It is a super-2 number, since 2×4648689872 = 432206350148812338, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 464868987.
It is not an unprimeable number, because it can be changed into a prime (464860987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23538 + ... + 38519.
It is an arithmetic number, because the mean of its divisors is an integer number (42447672).
Almost surely, 2464868987 is an apocalyptic number.
464868987 is a deficient number, since it is larger than the sum of its proper divisors (214293765).
464868987 is a wasteful number, since it uses less digits than its factorization.
464868987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62298.
The product of its digits is 18579456, while the sum is 60.
The square root of 464868987 is about 21560.8206476470. The cubic root of 464868987 is about 774.6583229202.
The spelling of 464868987 in words is "four hundred sixty-four million, eight hundred sixty-eight thousand, nine hundred eighty-seven".
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