Base | Representation |
---|---|
bin | 1011010101011… |
… | …0101100100001 |
3 | 10022110100000201 |
4 | 2311112230201 |
5 | 44132303100 |
6 | 4414545201 |
7 | 1115043400 |
oct | 265265441 |
9 | 108410021 |
10 | 47541025 |
11 | 24921304 |
12 | 13b08201 |
13 | 9b070ac |
14 | 6457637 |
15 | 429136a |
hex | 2d56b21 |
47541025 has 27 divisors (see below), whose sum is σ = 68925369. Its totient is φ = 32434080.
The previous prime is 47541019. The next prime is 47541029. The reversal of 47541025 is 52014574.
The square root of 47541025 is 6895.
It is a perfect power (a square), and thus also a powerful number.
47541025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 10962721 + 36578304 = 3311^2 + 6048^2 .
It is not a de Polignac number, because 47541025 - 27 = 47540897 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 47540984 and 47541002.
It is not an unprimeable number, because it can be changed into a prime (47541029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 241227 + ... + 241423.
Almost surely, 247541025 is an apocalyptic number.
47541025 is the 6895-th square number.
47541025 is the 3448-th centered octagonal number.
It is an amenable number.
47541025 is a deficient number, since it is larger than the sum of its proper divisors (21384344).
47541025 is an equidigital number, since it uses as much as digits as its factorization.
47541025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 418 (or 209 counting only the distinct ones).
The product of its (nonzero) digits is 5600, while the sum is 28.
The cubic root of 47541025 is about 362.2620555005.
Adding to 47541025 its reverse (52014574), we get a palindrome (99555599).
It can be divided in two parts, 475410 and 25, that multiplied together give a triangular number (11885250 = T4875).
The spelling of 47541025 in words is "forty-seven million, five hundred forty-one thousand, twenty-five".
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