Base | Representation |
---|---|
bin | 100101100011110… |
… | …100000101111001 |
3 | 1121220201200222120 |
4 | 211203310011321 |
5 | 2242304123101 |
6 | 142310111453 |
7 | 21421101414 |
oct | 4543640571 |
9 | 1556650876 |
10 | 630145401 |
11 | 2a3778626 |
12 | 15704b589 |
13 | a0721b02 |
14 | 5d992b7b |
15 | 3a4c4b36 |
hex | 258f4179 |
630145401 has 16 divisors (see below), whose sum is σ = 870125568. Its totient is φ = 405219600.
The previous prime is 630145387. The next prime is 630145423. The reversal of 630145401 is 104541036.
630145401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 630145401 - 210 = 630144377 is a prime.
It is not an unprimeable number, because it can be changed into a prime (630145301) 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, 18030 + ... + 39816.
It is an arithmetic number, because the mean of its divisors is an integer number (54382848).
Almost surely, 2630145401 is an apocalyptic number.
It is an amenable number.
630145401 is a deficient number, since it is larger than the sum of its proper divisors (239980167).
630145401 is a wasteful number, since it uses less digits than its factorization.
630145401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22132.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 630145401 is about 25102.6970861698. The cubic root of 630145401 is about 857.3278338122.
Adding to 630145401 its reverse (104541036), we get a palindrome (734686437).
The spelling of 630145401 in words is "six hundred thirty million, one hundred forty-five thousand, four hundred one".
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