Base | Representation |
---|---|
bin | 100101100111001… |
… | …101010011110000 |
3 | 1121222101220110010 |
4 | 211213031103300 |
5 | 2243021110440 |
6 | 142341134520 |
7 | 21431465352 |
oct | 4547152360 |
9 | 1558356403 |
10 | 631035120 |
11 | 2a4226031 |
12 | 1573ba440 |
13 | a0973a81 |
14 | 5db450d2 |
15 | 3a5ed580 |
hex | 259cd4f0 |
631035120 has 80 divisors (see below), whose sum is σ = 1960588800. Its totient is φ = 167899392.
The previous prime is 631035109. The next prime is 631035127. The reversal of 631035120 is 21530136.
631035120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (631035127) 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, 114181 + ... + 119579.
It is an arithmetic number, because the mean of its divisors is an integer number (24507360).
Almost surely, 2631035120 is an apocalyptic number.
631035120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 631035120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (980294400).
631035120 is an abundant number, since it is smaller than the sum of its proper divisors (1329553680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
631035120 is a wasteful number, since it uses less digits than its factorization.
631035120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5902 (or 5896 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 21.
The square root of 631035120 is about 25120.4124169967. The cubic root of 631035120 is about 857.7311386929.
Adding to 631035120 its reverse (21530136), we get a palindrome (652565256).
The spelling of 631035120 in words is "six hundred thirty-one million, thirty-five thousand, one hundred twenty".
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