Base | Representation |
---|---|
bin | 101111110011… |
… | …0100101010001 |
3 | 1202011021012121 |
4 | 1133212211101 |
5 | 22403433323 |
6 | 2253054241 |
7 | 423010135 |
oct | 137464521 |
9 | 52137177 |
10 | 25061713 |
11 | 13168266 |
12 | 8487381 |
13 | 5266321 |
14 | 34853c5 |
15 | 2300a5d |
hex | 17e6951 |
25061713 has 8 divisors (see below), whose sum is σ = 26044200. Its totient is φ = 24087168.
The previous prime is 25061693. The next prime is 25061717. The reversal of 25061713 is 31716052.
It can be written as a sum of positive squares in 4 ways, for example, as 380689 + 24681024 = 617^2 + 4968^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-25061713 is a prime.
It is a super-3 number, since 3×250617133 (a number of 23 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25061717) 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, 4903 + ... + 8611.
It is an arithmetic number, because the mean of its divisors is an integer number (3255525).
Almost surely, 225061713 is an apocalyptic number.
It is an amenable number.
25061713 is a deficient number, since it is larger than the sum of its proper divisors (982487).
25061713 is a wasteful number, since it uses less digits than its factorization.
25061713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3971.
The product of its (nonzero) digits is 1260, while the sum is 25.
The square root of 25061713 is about 5006.1674961991. The cubic root of 25061713 is about 292.6421759927.
Adding to 25061713 its reverse (31716052), we get a palindrome (56777765).
The spelling of 25061713 in words is "twenty-five million, sixty-one thousand, seven hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •