Base | Representation |
---|---|
bin | 10011001000111000100 |
3 | 1011212021102 |
4 | 2121013010 |
5 | 130032030 |
6 | 21235232 |
7 | 5221253 |
oct | 2310704 |
9 | 1155242 |
10 | 627140 |
11 | 3991a8 |
12 | 262b18 |
13 | 18c5b7 |
14 | 12479a |
15 | c5c45 |
hex | 991c4 |
627140 has 12 divisors (see below), whose sum is σ = 1317036. Its totient is φ = 250848.
The previous prime is 627139. The next prime is 627163. The reversal of 627140 is 41726.
It can be written as a sum of positive squares in 2 ways, for example, as 350464 + 276676 = 592^2 + 526^2 .
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 31357 = 627140 / (6 + 2 + 7 + 1 + 4 + 0).
It is an Ulam number.
It is a plaindrome in base 14.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 627140.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15659 + ... + 15698.
It is an arithmetic number, because the mean of its divisors is an integer number (109753).
2627140 is an apocalyptic number.
It is an amenable number.
627140 is an abundant number, since it is smaller than the sum of its proper divisors (689896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
627140 is a wasteful number, since it uses less digits than its factorization.
627140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31366 (or 31364 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 627140 is about 791.9217133025. The cubic root of 627140 is about 85.5962687983.
Adding to 627140 its reverse (41726), we get a palindrome (668866).
It can be divided in two parts, 627 and 140, that added together give a palindrome (767).
The spelling of 627140 in words is "six hundred twenty-seven thousand, one hundred forty".
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