Base | Representation |
---|---|
bin | 100101100101110… |
… | …010101101101110 |
3 | 1121221201001102122 |
4 | 211211302231232 |
5 | 2242422222141 |
6 | 142325152542 |
7 | 21425361455 |
oct | 4545625556 |
9 | 1557631378 |
10 | 630664046 |
11 | 2a3aa2261 |
12 | 15725b752 |
13 | a0873bbc |
14 | 5da89b9c |
15 | 3a57864b |
hex | 25972b6e |
630664046 has 16 divisors (see below), whose sum is σ = 962454528. Its totient is φ = 309886200.
The previous prime is 630664043. The next prime is 630664049. The reversal of 630664046 is 640466036.
It is an interprime number because it is at equal distance from previous prime (630664043) and next prime (630664049).
It is a super-3 number, since 3×6306640463 (a number of 27 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 630663997 and 630664015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (630664043) 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 in 7 ways as a sum of consecutive naturals, for example, 21761 + ... + 41651.
It is an arithmetic number, because the mean of its divisors is an integer number (60153408).
Almost surely, 2630664046 is an apocalyptic number.
630664046 is a deficient number, since it is larger than the sum of its proper divisors (331790482).
630664046 is a wasteful number, since it uses less digits than its factorization.
630664046 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20167.
The product of its (nonzero) digits is 62208, while the sum is 35.
The square root of 630664046 is about 25113.0254250658. The cubic root of 630664046 is about 857.5629789385.
The spelling of 630664046 in words is "six hundred thirty million, six hundred sixty-four thousand, forty-six".
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