Base | Representation |
---|---|
bin | 101011001011111100100 |
3 | 2122220012121 |
4 | 11121133210 |
5 | 330241030 |
6 | 50155324 |
7 | 15012526 |
oct | 5313744 |
9 | 2586177 |
10 | 1415140 |
11 | 887241 |
12 | 582b44 |
13 | 3a717c |
14 | 28ba16 |
15 | 1ce47a |
hex | 1597e4 |
1415140 has 24 divisors (see below), whose sum is σ = 2996280. Its totient is φ = 561408.
The previous prime is 1415137. The next prime is 1415143. The reversal of 1415140 is 415141.
It is an interprime number because it is at equal distance from previous prime (1415137) and next prime (1415143).
It can be written as a sum of positive squares in 4 ways, for example, as 736164 + 678976 = 858^2 + 824^2 .
It is not an unprimeable number, because it can be changed into a prime (1415143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3256 + ... + 3664.
It is an arithmetic number, because the mean of its divisors is an integer number (124845).
21415140 is an apocalyptic number.
1415140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1415140 is an abundant number, since it is smaller than the sum of its proper divisors (1581140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1415140 is a wasteful number, since it uses less digits than its factorization.
1415140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 591 (or 589 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 1415140 is about 1189.5965702708. The cubic root of 1415140 is about 112.2707099484.
Subtracting from 1415140 its reverse (415141), we obtain a palindrome (999999).
The spelling of 1415140 in words is "one million, four hundred fifteen thousand, one hundred forty".
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