Base | Representation |
---|---|
bin | 100101100111100… |
… | …100100010100010 |
3 | 1121222120201222100 |
4 | 211213210202202 |
5 | 2243032132044 |
6 | 142343151230 |
7 | 21432342645 |
oct | 4547444242 |
9 | 1558521870 |
10 | 631130274 |
11 | 2a4290575 |
12 | 157445516 |
13 | a09a8188 |
14 | 5db6ba5c |
15 | 3a61b869 |
hex | 259e48a2 |
631130274 has 48 divisors (see below), whose sum is σ = 1386253440. Its totient is φ = 207502560.
The previous prime is 631130263. The next prime is 631130303. The reversal of 631130274 is 472031136.
631130274 is a `hidden beast` number, since 631 + 1 + 3 + 0 + 27 + 4 = 666.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 531109 + ... + 532295.
It is an arithmetic number, because the mean of its divisors is an integer number (28880280).
Almost surely, 2631130274 is an apocalyptic number.
631130274 is an abundant number, since it is smaller than the sum of its proper divisors (755123166).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
631130274 is a wasteful number, since it uses less digits than its factorization.
631130274 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1575 (or 1572 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 631130274 is about 25122.3063033632. The cubic root of 631130274 is about 857.7742490493.
It can be divided in two parts, 6311 and 30274, that added together give a triangular number (36585 = T270).
The spelling of 631130274 in words is "six hundred thirty-one million, one hundred thirty thousand, two hundred seventy-four".
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