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2538768448 = 26198212543
BaseRepresentation
bin1001011101010010…
…1000100001000000
320112221010210121001
42113110220201000
520144411042243
61055530341344
7116625114166
oct22724504100
96487123531
102538768448
111093083347
125aa28a854
13315c84568
141a1263236
15ecd37a4d
hex97528840

2538768448 has 56 divisors (see below), whose sum is σ = 5311566720. Its totient is φ = 1200637440.

The previous prime is 2538768443. The next prime is 2538768473. The reversal of 2538768448 is 8448678352.

It is not an unprimeable number, because it can be changed into a prime (2538768443) 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 7 ways as a sum of consecutive naturals, for example, 997065 + ... + 999607.

Almost surely, 22538768448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2538768448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2655783360).

2538768448 is an abundant number, since it is smaller than the sum of its proper divisors (2772798272).

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

2538768448 is a wasteful number, since it uses less digits than its factorization.

2538768448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395 (or 3385 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 55.

The square root of 2538768448 is about 50386.1930294401. The cubic root of 2538768448 is about 1364.1884369710.

The spelling of 2538768448 in words is "two billion, five hundred thirty-eight million, seven hundred sixty-eight thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 19 32 38 64 76 152 304 608 821 1216 1642 2543 3284 5086 6568 10172 13136 15599 20344 26272 31198 40688 48317 52544 62396 81376 96634 124792 162752 193268 249584 386536 499168 773072 998336 1546144 2087803 3092288 4175606 8351212 16702424 33404848 39668257 66809696 79336514 133619392 158673028 317346056 634692112 1269384224 2538768448