Base | Representation |
---|---|
bin | 11110001011110… |
… | …00111001101001 |
3 | 122122102222212210 |
4 | 33011320321221 |
5 | 1004304431100 |
6 | 41042555333 |
7 | 6163116216 |
oct | 1705707151 |
9 | 578388783 |
10 | 253202025 |
11 | 11aa2047a |
12 | 70968b49 |
13 | 405c3cab |
14 | 258b0b0d |
15 | 17367c50 |
hex | f178e69 |
253202025 has 24 divisors (see below), whose sum is σ = 419424544. Its totient is φ = 134784000.
The previous prime is 253202021. The next prime is 253202039. The reversal of 253202025 is 520202352.
It is not a de Polignac number, because 253202025 - 22 = 253202021 is a prime.
It is a super-2 number, since 2×2532020252 = 128222530928201250, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 253201992 and 253202010.
It is not an unprimeable number, because it can be changed into a prime (253202021) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40350 + ... + 46200.
Almost surely, 2253202025 is an apocalyptic number.
253202025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
253202025 is a deficient number, since it is larger than the sum of its proper divisors (166222519).
253202025 is a wasteful number, since it uses less digits than its factorization.
253202025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6441 (or 6436 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 21.
The square root of 253202025 is about 15912.3230547900. The cubic root of 253202025 is about 632.6386558282.
Adding to 253202025 its reverse (520202352), we get a palindrome (773404377).
The spelling of 253202025 in words is "two hundred fifty-three million, two hundred two thousand, twenty-five".
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