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2489057760 = 2535719127307
BaseRepresentation
bin1001010001011100…
…0000000111100000
320102110121020100110
42110113000013200
520044144322020
61050553051320
7115452433110
oct22427000740
96373536313
102489057760
11106800aa32
125956b6b40
1330889aa57
14198803040
15e87b88e0
hex945c01e0

2489057760 has 384 divisors, whose sum is σ = 9537454080. Its totient is φ = 532998144.

The previous prime is 2489057717. The next prime is 2489057761. The reversal of 2489057760 is 677509842.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489057761) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 8107527 + ... + 8107833.

It is an arithmetic number, because the mean of its divisors is an integer number (24837120).

Almost surely, 22489057760 is an apocalyptic number.

2489057760 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 2489057760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4768727040).

2489057760 is an abundant number, since it is smaller than the sum of its proper divisors (7048396320).

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

2489057760 is a wasteful number, since it uses less digits than its factorization.

2489057760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 2489057760 is about 49890.4576046362. The cubic root of 2489057760 is about 1355.2257917234.

The spelling of 2489057760 in words is "two billion, four hundred eighty-nine million, fifty-seven thousand, seven hundred sixty".