Search a number
-
+
25000241 = 73233169
BaseRepresentation
bin101111101011…
…1100100110001
31202001010212212
41133113210301
522400001431
62251501505
7422333000
oct137274461
952033785
1025000241
1113126062
128457895
135244356
14346ac37
1522dc72b
hex17d7931

25000241 has 16 divisors (see below), whose sum is σ = 30432000. Its totient is φ = 20490624.

The previous prime is 25000231. The next prime is 25000267. The reversal of 25000241 is 14200052.

It is not a de Polignac number, because 25000241 - 26 = 25000177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25000211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6305 + ... + 9473.

It is an arithmetic number, because the mean of its divisors is an integer number (1902000).

Almost surely, 225000241 is an apocalyptic number.

It is an amenable number.

25000241 is a deficient number, since it is larger than the sum of its proper divisors (5431759).

25000241 is an equidigital number, since it uses as much as digits as its factorization.

25000241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213 (or 3199 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 25000241 is about 5000.0240999419. The cubic root of 25000241 is about 292.4027134026.

Adding to 25000241 its reverse (14200052), we get a palindrome (39200293).

The spelling of 25000241 in words is "twenty-five million, two hundred forty-one", and thus it is an aban number.

Divisors: 1 7 23 49 161 343 1127 3169 7889 22183 72887 155281 510209 1086967 3571463 25000241