Base | Representation |
---|---|
bin | 100101100111010… |
… | …100001001111000 |
3 | 1121222110022220122 |
4 | 211213110021320 |
5 | 2243023010120 |
6 | 142341512412 |
7 | 21431643200 |
oct | 4547241170 |
9 | 1558408818 |
10 | 631063160 |
11 | 2a4245102 |
12 | 157412708 |
13 | a0983770 |
14 | 5db51400 |
15 | 3a606a25 |
hex | 259d4278 |
631063160 has 96 divisors (see below), whose sum is σ = 1778837760. Its totient is φ = 199713024.
The previous prime is 631063159. The next prime is 631063163. The reversal of 631063160 is 61360136.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (631063163) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13097 + ... + 37863.
It is an arithmetic number, because the mean of its divisors is an integer number (18529560).
Almost surely, 2631063160 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 631063160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (889418880).
631063160 is an abundant number, since it is smaller than the sum of its proper divisors (1147774600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
631063160 is a wasteful number, since it uses less digits than its factorization.
631063160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24805 (or 24794 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 26.
The square root of 631063160 is about 25120.9705226530. The cubic root of 631063160 is about 857.7438429118.
It can be divided in two parts, 63106 and 3160, that added together give a palindrome (66266).
The spelling of 631063160 in words is "six hundred thirty-one million, sixty-three thousand, one hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •