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2553235240 = 23563830881
BaseRepresentation
bin1001100000101111…
…0100011100101000
320120221100210022011
42120023310130220
520212112011430
61101204405304
7120162066343
oct23013643450
96527323264
102553235240
1110a0264476
125b30a6834
13318c7b2aa
141a314b45a
15ee24422a
hex982f4728

2553235240 has 16 divisors (see below), whose sum is σ = 5744779380. Its totient is φ = 1021294080.

The previous prime is 2553235211. The next prime is 2553235277. The reversal of 2553235240 is 425323552.

It can be written as a sum of positive squares in 2 ways, for example, as 2294218404 + 259016836 = 47898^2 + 16094^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31915401 + ... + 31915480.

Almost surely, 22553235240 is an apocalyptic number.

2553235240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2553235240 is an abundant number, since it is smaller than the sum of its proper divisors (3191544140).

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

2553235240 is a wasteful number, since it uses less digits than its factorization.

2553235240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63830892 (or 63830888 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 2553235240 is about 50529.5481871746. The cubic root of 2553235240 is about 1366.7747384959.

Adding to 2553235240 its reverse (425323552), we get a palindrome (2978558792).

The spelling of 2553235240 in words is "two billion, five hundred fifty-three million, two hundred thirty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 63830881 127661762 255323524 319154405 510647048 638308810 1276617620 2553235240