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2544994452 = 22371131317103
BaseRepresentation
bin1001011110110001…
…1000100010010100
320120100212010001210
42113230120202110
520203004310302
61100312021420
7120032044620
oct22754304224
96510763053
102544994452
111096646000
125b0391870
133173543a0
141a2004180
15ed66766c
hex97b18894

2544994452 has 384 divisors, whose sum is σ = 8594546688. Its totient is φ = 568719360.

The previous prime is 2544994447. The next prime is 2544994471.

2544994452 is nontrivially palindromic in base 10.

Its product of digits (2073600) is a multiple of the sum of its prime factors (180).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 24708633 + ... + 24708735.

It is an arithmetic number, because the mean of its divisors is an integer number (22381632).

Almost surely, 22544994452 is an apocalyptic number.

2544994452 is a gapful number since it is divisible by the number (22) 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 2544994452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4297273344).

2544994452 is an abundant number, since it is smaller than the sum of its proper divisors (6049552236).

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

2544994452 is a wasteful number, since it uses less digits than its factorization.

2544994452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 156 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The square root of 2544994452 is about 50447.9380351665. The cubic root of 2544994452 is about 1365.3026923350.

The spelling of 2544994452 in words is "two billion, five hundred forty-four million, nine hundred ninety-four thousand, four hundred fifty-two".