Search a number
-
+
25054848 = 2732713239
BaseRepresentation
bin101111110010…
…0111010000000
31202010220210100
41133210322000
522403223343
62253002400
7422651130
oct137447200
952126710
1025054848
1113163095
128483400
135263170
143482ac0
1522ed9d3
hex17e4e80

25054848 has 192 divisors, whose sum is σ = 89107200. Its totient is φ = 6580224.

The previous prime is 25054847. The next prime is 25054859. The reversal of 25054848 is 84845052.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25054847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104713 + ... + 104951.

It is an arithmetic number, because the mean of its divisors is an integer number (464100).

Almost surely, 225054848 is an apocalyptic number.

25054848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25054848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44553600).

25054848 is an abundant number, since it is smaller than the sum of its proper divisors (64052352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25054848 is a wasteful number, since it uses less digits than its factorization.

25054848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 25054848 is about 5005.4817949924. The cubic root of 25054848 is about 292.6154529989.

The spelling of 25054848 in words is "twenty-five million, fifty-four thousand, eight hundred forty-eight".