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25216041 = 38405347
BaseRepresentation
bin110000000110…
…0010000101001
31202110002220110
41200030100221
522423403131
62300244533
7424222104
oct140142051
952402813
1025216041
1113263204
128540749
1352bb646
1434c573b
152331646
hex180c429

25216041 has 4 divisors (see below), whose sum is σ = 33621392. Its totient is φ = 16810692.

The previous prime is 25216039. The next prime is 25216043. The reversal of 25216041 is 14061252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (25216039) and next prime (25216043).

It is not a de Polignac number, because 25216041 - 21 = 25216039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25215999 and 25216017.

It is not an unprimeable number, because it can be changed into a prime (25216043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4202671 + ... + 4202676.

It is an arithmetic number, because the mean of its divisors is an integer number (8405348).

Almost surely, 225216041 is an apocalyptic number.

It is an amenable number.

25216041 is a deficient number, since it is larger than the sum of its proper divisors (8405351).

25216041 is an equidigital number, since it uses as much as digits as its factorization.

25216041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8405350.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 25216041 is about 5021.5576268724. The cubic root of 25216041 is about 293.2416361395.

Adding to 25216041 its reverse (14061252), we get a palindrome (39277293).

The spelling of 25216041 in words is "twenty-five million, two hundred sixteen thousand, forty-one".

Divisors: 1 3 8405347 25216041