Base | Representation |
---|---|
bin | 10101110100111101001 |
3 | 1100100010102 |
4 | 2232213221 |
5 | 140341431 |
6 | 23155145 |
7 | 6036152 |
oct | 2564751 |
9 | 1310112 |
10 | 715241 |
11 | 44940a |
12 | 2a5ab5 |
13 | 1c0727 |
14 | 148929 |
15 | e1dcb |
hex | ae9e9 |
715241 has 4 divisors (see below), whose sum is σ = 757332. Its totient is φ = 673152.
The previous prime is 715237. The next prime is 715243. The reversal of 715241 is 142517.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142517 = 53 ⋅2689.
It can be written as a sum of positive squares in 2 ways, for example, as 246016 + 469225 = 496^2 + 685^2 .
It is a cyclic number.
It is not a de Polignac number, because 715241 - 22 = 715237 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (715243) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21020 + ... + 21053.
It is an arithmetic number, because the mean of its divisors is an integer number (189333).
2715241 is an apocalyptic number.
It is an amenable number.
715241 is a deficient number, since it is larger than the sum of its proper divisors (42091).
715241 is a wasteful number, since it uses less digits than its factorization.
715241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42090.
The product of its digits is 280, while the sum is 20.
The square root of 715241 is about 845.7192205454. The cubic root of 715241 is about 89.4301859772.
Adding to 715241 its reverse (142517), we get a palindrome (857758).
The spelling of 715241 in words is "seven hundred fifteen thousand, two hundred forty-one".
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