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808275240 = 2333529131197
BaseRepresentation
bin110000001011010…
…100110100101000
32002022220122012000
4300023110310220
53123404301430
6212112051000
726013140403
oct6013246450
92068818160
10808275240
11385283173
121a6833a60
13cb5bc696
14794c0d3a
154ae5de60
hex302d4d28

808275240 has 256 divisors, whose sum is σ = 2822688000. Its totient is φ = 205470720.

The previous prime is 808275233. The next prime is 808275263. The reversal of 808275240 is 42572808.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 808275195 and 808275204.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4102822 + ... + 4103018.

It is an arithmetic number, because the mean of its divisors is an integer number (11026125).

Almost surely, 2808275240 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 808275240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1411344000).

808275240 is an abundant number, since it is smaller than the sum of its proper divisors (2014412760).

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

808275240 is a wasteful number, since it uses less digits than its factorization.

808275240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 808275240 is about 28430.1818495767. The cubic root of 808275240 is about 931.5076482422.

The spelling of 808275240 in words is "eight hundred eight million, two hundred seventy-five thousand, two hundred forty".