Base | Representation |
---|---|
bin | 110000001000… |
… | …1110000001101 |
3 | 1202111020202210 |
4 | 1200101300031 |
5 | 22430113131 |
6 | 2300541033 |
7 | 424344516 |
oct | 140216015 |
9 | 52436683 |
10 | 25238541 |
11 | 132790a9 |
12 | 8551779 |
13 | 52c8963 |
14 | 34cda0d |
15 | 2338146 |
hex | 1811c0d |
25238541 has 8 divisors (see below), whose sum is σ = 33800544. Its totient is φ = 16751120.
The previous prime is 25238537. The next prime is 25238579. The reversal of 25238541 is 14583252.
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 25238541 - 22 = 25238537 is a prime.
It is a super-4 number, since 4×252385414 (a number of 31 digits) contains 4444 as substring.
It is an alternating number because its digits alternate between even and odd.
It is a junction number, because it is equal to n+sod(n) for n = 25238499 and 25238508.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25238041) 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, 17850 + ... + 19211.
It is an arithmetic number, because the mean of its divisors is an integer number (4225068).
Almost surely, 225238541 is an apocalyptic number.
It is an amenable number.
25238541 is a deficient number, since it is larger than the sum of its proper divisors (8562003).
25238541 is a wasteful number, since it uses less digits than its factorization.
25238541 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37291.
The product of its digits is 9600, while the sum is 30.
The square root of 25238541 is about 5023.7974680514. The cubic root of 25238541 is about 293.3288289885.
The spelling of 25238541 in words is "twenty-five million, two hundred thirty-eight thousand, five hundred forty-one".
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