Base | Representation |
---|---|
bin | 11100010101010000111010 |
3 | 111222100002220 |
4 | 130111100322 |
5 | 3400132010 |
6 | 423104510 |
7 | 120062304 |
oct | 34252072 |
9 | 14870086 |
10 | 7427130 |
11 | 4213127 |
12 | 25a2136 |
13 | 1700769 |
14 | db4974 |
15 | 9ba970 |
hex | 71543a |
7427130 has 32 divisors (see below), whose sum is σ = 18874944. Its totient is φ = 1863936.
The previous prime is 7427117. The next prime is 7427131. The reversal of 7427130 is 317247.
It is a self number, because there is not a number n which added to its sum of digits gives 7427130.
It is not an unprimeable number, because it can be changed into a prime (7427131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6772 + ... + 7791.
It is an arithmetic number, because the mean of its divisors is an integer number (589842).
Almost surely, 27427130 is an apocalyptic number.
7427130 is an abundant number, since it is smaller than the sum of its proper divisors (11447814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7427130 is a wasteful number, since it uses less digits than its factorization.
7427130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14590.
The product of its (nonzero) digits is 1176, while the sum is 24.
The square root of 7427130 is about 2725.2761327983. The cubic root of 7427130 is about 195.1073701922.
It can be divided in two parts, 7427 and 130, that added together give a palindrome (7557).
The spelling of 7427130 in words is "seven million, four hundred twenty-seven thousand, one hundred thirty".
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