Base | Representation |
---|---|
bin | 100101100101101… |
… | …101010110110110 |
3 | 1121221122221022220 |
4 | 211211231112312 |
5 | 2242421021402 |
6 | 142324503210 |
7 | 21425240466 |
oct | 4545552666 |
9 | 1557587286 |
10 | 630642102 |
11 | 2a3a87822 |
12 | 15724ab06 |
13 | a0866c0c |
14 | 5da81ba6 |
15 | 3a571dbc |
hex | 2596d5b6 |
630642102 has 8 divisors (see below), whose sum is σ = 1261284216. Its totient is φ = 210214032.
The previous prime is 630642101. The next prime is 630642127. The reversal of 630642102 is 201246036.
It is a sphenic number, since it is the product of 3 distinct primes.
630642102 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (630642101) 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 3 ways as a sum of consecutive naturals, for example, 52553503 + ... + 52553514.
It is an arithmetic number, because the mean of its divisors is an integer number (157660527).
Almost surely, 2630642102 is an apocalyptic number.
630642102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
630642102 is a wasteful number, since it uses less digits than its factorization.
630642102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105107022.
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 630642102 is about 25112.5885165190. The cubic root of 630642102 is about 857.5530325017.
Adding to 630642102 its reverse (201246036), we get a palindrome (831888138).
The spelling of 630642102 in words is "six hundred thirty million, six hundred forty-two thousand, one hundred two".
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