Base | Representation |
---|---|
bin | 11011001000100… |
… | …110100101011001 |
3 | 1011201121120220200 |
4 | 123020212211121 |
5 | 1413020140100 |
6 | 113101212413 |
7 | 14165322252 |
oct | 3310464531 |
9 | 1151546820 |
10 | 455240025 |
11 | 213a75629 |
12 | 108561109 |
13 | 73412ac6 |
14 | 44663b29 |
15 | 29e75e00 |
hex | 1b226959 |
455240025 has 54 divisors (see below), whose sum is σ = 866294442. Its totient is φ = 228480000.
The previous prime is 455240003. The next prime is 455240029. The reversal of 455240025 is 520042554.
It can be written as a sum of positive squares in 9 ways, for example, as 34292736 + 420947289 = 5856^2 + 20517^2 .
It is not a de Polignac number, because 455240025 - 212 = 455235929 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (455240029) by changing a digit.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 61525 + ... + 68525.
Almost surely, 2455240025 is an apocalyptic number.
455240025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
455240025 is a deficient number, since it is larger than the sum of its proper divisors (411054417).
455240025 is a wasteful number, since it uses less digits than its factorization.
455240025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7051 (or 7026 counting only the distinct ones).
The product of its (nonzero) digits is 8000, while the sum is 27.
The square root of 455240025 is about 21336.3545386741. The cubic root of 455240025 is about 769.2723913184.
Adding to 455240025 its reverse (520042554), we get a palindrome (975282579).
The spelling of 455240025 in words is "four hundred fifty-five million, two hundred forty thousand, twenty-five".
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