Base | Representation |
---|---|
bin | 101111110010… |
… | …0010101101111 |
3 | 1202010210121101 |
4 | 1133210111233 |
5 | 22403140102 |
6 | 2252543531 |
7 | 422641303 |
oct | 137442557 |
9 | 52123541 |
10 | 25052527 |
11 | 13161375 |
12 | 8481ba7 |
13 | 52620a6 |
14 | 3481d03 |
15 | 22ece87 |
hex | 17e456f |
25052527 has 4 divisors (see below), whose sum is σ = 25065040. Its totient is φ = 25040016.
The previous prime is 25052519. The next prime is 25052537. The reversal of 25052527 is 72525052.
It is a semiprime because it is the product of two primes.
It is a 4-Lehmer number, since φ(25052527) divides (25052527-1)4.
It is a cyclic number.
It is not a de Polignac number, because 25052527 - 23 = 25052519 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25052495 and 25052504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25052537) 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, 2502 + ... + 7507.
It is an arithmetic number, because the mean of its divisors is an integer number (6266260).
Almost surely, 225052527 is an apocalyptic number.
25052527 is the 2503-rd decagonal number.
25052527 is a deficient number, since it is larger than the sum of its proper divisors (12513).
25052527 is a wasteful number, since it uses less digits than its factorization.
25052527 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12512.
The product of its (nonzero) digits is 7000, while the sum is 28.
The square root of 25052527 is about 5005.2499438090. The cubic root of 25052527 is about 292.6064170705.
Adding to 25052527 its reverse (72525052), we get a palindrome (97577579).
The spelling of 25052527 in words is "twenty-five million, fifty-two thousand, five hundred twenty-seven".
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