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802540896 = 253172931547
BaseRepresentation
bin101111110101011…
…100110101100000
32001221010022010220
4233311130311200
53120422302041
6211345123040
725613325243
oct5765346540
92057108126
10802540896
11382016943
121a4929480
13ca362591
147882b25a
154a6c9d66
hex2fd5cd60

802540896 has 192 divisors, whose sum is σ = 2386298880. Its totient is φ = 234823680.

The previous prime is 802540891. The next prime is 802540897. The reversal of 802540896 is 698045208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802540891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1466895 + ... + 1467441.

It is an arithmetic number, because the mean of its divisors is an integer number (12428640).

Almost surely, 2802540896 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 802540896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1193149440).

802540896 is an abundant number, since it is smaller than the sum of its proper divisors (1583757984).

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

802540896 is a wasteful number, since it uses less digits than its factorization.

802540896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 802540896 is about 28329.1527582453. The cubic root of 802540896 is about 929.2995442490.

The spelling of 802540896 in words is "eight hundred two million, five hundred forty thousand, eight hundred ninety-six".