Base | Representation |
---|---|
bin | 101111110110… |
… | …1110010110101 |
3 | 1202012202201200 |
4 | 1133231302311 |
5 | 22410410003 |
6 | 2253443113 |
7 | 423162225 |
oct | 137556265 |
9 | 52182650 |
10 | 25091253 |
11 | 13188480 |
12 | 84a0499 |
13 | 52768c5 |
14 | 3492085 |
15 | 23096a3 |
hex | 17edcb5 |
25091253 has 12 divisors (see below), whose sum is σ = 39537888. Its totient is φ = 15206760.
The previous prime is 25091243. The next prime is 25091257. The reversal of 25091253 is 35219052.
It is not a de Polignac number, because 25091253 - 24 = 25091237 is a prime.
It is a super-3 number, since 3×250912533 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25091257) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126625 + ... + 126822.
It is an arithmetic number, because the mean of its divisors is an integer number (3294824).
Almost surely, 225091253 is an apocalyptic number.
It is an amenable number.
25091253 is a deficient number, since it is larger than the sum of its proper divisors (14446635).
25091253 is a wasteful number, since it uses less digits than its factorization.
25091253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 253464 (or 253461 counting only the distinct ones).
The product of its (nonzero) digits is 2700, while the sum is 27.
The square root of 25091253 is about 5009.1169880529. The cubic root of 25091253 is about 292.7571090202.
The spelling of 25091253 in words is "twenty-five million, ninety-one thousand, two hundred fifty-three".
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