Base | Representation |
---|---|
bin | 100101101000101… |
… | …001010101011101 |
3 | 1122000010001111220 |
4 | 211220221111131 |
5 | 2243120141221 |
6 | 142353203553 |
7 | 21434625330 |
oct | 4550512535 |
9 | 1560101456 |
10 | 631412061 |
11 | 2a4463255 |
12 | 1575605b9 |
13 | a0a76507 |
14 | 5dc02617 |
15 | 3a6750c6 |
hex | 25a2955d |
631412061 has 16 divisors (see below), whose sum is σ = 993189888. Its totient is φ = 349167600.
The previous prime is 631412027. The next prime is 631412063. The reversal of 631412061 is 160214136.
631412061 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 631412061 - 210 = 631411037 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (631412063) 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, 484305 + ... + 485606.
It is an arithmetic number, because the mean of its divisors is an integer number (62074368).
Almost surely, 2631412061 is an apocalyptic number.
It is an amenable number.
631412061 is a deficient number, since it is larger than the sum of its proper divisors (361777827).
631412061 is a wasteful number, since it uses less digits than its factorization.
631412061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 969952.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 631412061 is about 25127.9139802730. The cubic root of 631412061 is about 857.9018897169.
Adding to 631412061 its reverse (160214136), we get a palindrome (791626197).
The spelling of 631412061 in words is "six hundred thirty-one million, four hundred twelve thousand, sixty-one".
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