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25116480 = 263551719
BaseRepresentation
bin101111111001…
…1111101000000
31202021001100000
41133303331000
522412211410
62254200000
7423325614
oct137637500
952231300
1025116480
11131a5424
1284b3000
13528522c
14349b344
152311dc0
hex17f3f40

25116480 has 336 divisors, whose sum is σ = 99852480. Its totient is φ = 5971968.

The previous prime is 25116473. The next prime is 25116493. The reversal of 25116480 is 8461152.

25116480 is a `hidden beast` number, since 2 + 5 + 11 + 648 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1321911 + ... + 1321929.

It is an arithmetic number, because the mean of its divisors is an integer number (297180).

Almost surely, 225116480 is an apocalyptic number.

25116480 is a gapful number since it is divisible by the number (20) 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 25116480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49926240).

25116480 is an abundant number, since it is smaller than the sum of its proper divisors (74736000).

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

25116480 is a wasteful number, since it uses less digits than its factorization.

25116480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 25116480 is about 5011.6344639249. The cubic root of 25116480 is about 292.8551898116.

The spelling of 25116480 in words is "twenty-five million, one hundred sixteen thousand, four hundred eighty".