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2530032540 = 2235773179461
BaseRepresentation
bin1001011011001101…
…0011101110011100
320112022200222011220
42112303103232130
520140142020130
61055015213340
7116460631110
oct22663235634
96468628156
102530032540
111089156992
125a7377250
13314216199
141a002b740
15ec1ae410
hex96cd3b9c

2530032540 has 192 divisors, whose sum is σ = 8270760960. Its totient is φ = 565954560.

The previous prime is 2530032521. The next prime is 2530032541. The reversal of 2530032540 is 452300352.

It is a self number, because there is not a number n which added to its sum of digits gives 2530032540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530032541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5487910 + ... + 5488370.

It is an arithmetic number, because the mean of its divisors is an integer number (43076880).

Almost surely, 22530032540 is an apocalyptic number.

2530032540 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 2530032540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4135380480).

2530032540 is an abundant number, since it is smaller than the sum of its proper divisors (5740728420).

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

2530032540 is a wasteful number, since it uses less digits than its factorization.

2530032540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 2530032540 is about 50299.4288237948. The cubic root of 2530032540 is about 1362.6219136205.

Adding to 2530032540 its reverse (452300352), we get a palindrome (2982332892).

The spelling of 2530032540 in words is "two billion, five hundred thirty million, thirty-two thousand, five hundred forty".