Base | Representation |
---|---|
bin | 11011101101011… |
… | …010010011000111 |
3 | 1012101202210212021 |
4 | 123231122103013 |
5 | 1423002422111 |
6 | 114044104011 |
7 | 14343330415 |
oct | 3355322307 |
9 | 1171683767 |
10 | 464889031 |
11 | 219466012 |
12 | 10b835007 |
13 | 75410989 |
14 | 45a562b5 |
15 | 2ac2ed71 |
hex | 1bb5a4c7 |
464889031 has 2 divisors, whose sum is σ = 464889032. Its totient is φ = 464889030.
The previous prime is 464889013. The next prime is 464889049. The reversal of 464889031 is 130988464.
Together with previous prime (464889013) it forms an Ormiston pair, because they use the same digits, order apart.
It is a balanced prime because it is at equal distance from previous prime (464889013) and next prime (464889049).
It is a cyclic number.
It is not a de Polignac number, because 464889031 - 29 = 464888519 is a prime.
It is a super-2 number, since 2×4648890312 = 432243622288237922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (464883031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232444515 + 232444516.
It is an arithmetic number, because the mean of its divisors is an integer number (232444516).
Almost surely, 2464889031 is an apocalyptic number.
464889031 is the 9643-rd centered decagonal number.
464889031 is a deficient number, since it is larger than the sum of its proper divisors (1).
464889031 is an equidigital number, since it uses as much as digits as its factorization.
464889031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 165888, while the sum is 43.
The square root of 464889031 is about 21561.2854672443. The cubic root of 464889031 is about 774.6694565433.
The spelling of 464889031 in words is "four hundred sixty-four million, eight hundred eighty-nine thousand, thirty-one".
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