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2500430240 = 255711316547
BaseRepresentation
bin1001010100001001…
…1000100110100000
320110021000000110102
42111002120212200
520110102231430
61052040521532
7115651210040
oct22502304640
96407000412
102500430240
111073478280
125994802a8
1330b050229
1419a123720
15e97b3345
hex950989a0

2500430240 has 192 divisors, whose sum is σ = 7603642368. Its totient is φ = 754099200.

The previous prime is 2500430203. The next prime is 2500430293. The reversal of 2500430240 is 420340052.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378647 + ... + 385193.

It is an arithmetic number, because the mean of its divisors is an integer number (39602304).

Almost surely, 22500430240 is an apocalyptic number.

2500430240 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 2500430240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3801821184).

2500430240 is an abundant number, since it is smaller than the sum of its proper divisors (5103212128).

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

2500430240 is a wasteful number, since it uses less digits than its factorization.

2500430240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6611 (or 6603 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2500430240 is about 50004.3022149095. The cubic root of 2500430240 is about 1357.2866605673.

Adding to 2500430240 its reverse (420340052), we get a palindrome (2920770292).

The spelling of 2500430240 in words is "two billion, five hundred million, four hundred thirty thousand, two hundred forty".