Base | Representation |
---|---|
bin | 101111111100… |
… | …1110000011101 |
3 | 1202022020221111 |
4 | 1133321300131 |
5 | 22413442003 |
6 | 2254502021 |
7 | 423455125 |
oct | 137716035 |
9 | 52266844 |
10 | 25140253 |
11 | 13211276 |
12 | 8504911 |
13 | 5292cb8 |
14 | 34a5c85 |
15 | 2318e6d |
hex | 17f9c1d |
25140253 has 8 divisors (see below), whose sum is σ = 25846272. Its totient is φ = 24441456.
The previous prime is 25140239. The next prime is 25140259. The reversal of 25140253 is 35204152.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 25140253 - 217 = 25009181 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25140259) 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, 5676 + ... + 9082.
It is an arithmetic number, because the mean of its divisors is an integer number (3230784).
Almost surely, 225140253 is an apocalyptic number.
It is an amenable number.
25140253 is a deficient number, since it is larger than the sum of its proper divisors (706019).
25140253 is a wasteful number, since it uses less digits than its factorization.
25140253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3611.
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 25140253 is about 5014.0056840813. The cubic root of 25140253 is about 292.9475574660.
It can be divided in two parts, 251 and 40253, that added together give a palindrome (40504).
The spelling of 25140253 in words is "twenty-five million, one hundred forty thousand, two hundred fifty-three".
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