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800988040 = 235129115511
BaseRepresentation
bin101111101111100…
…001101110001000
32001211012102000201
4233233201232020
53120023104130
6211251541544
725564200046
oct5757415610
92054172021
10800988040
11381156196
121a42ba8b4
13c9c3a828
1478545396
154a4bebca
hex2fbe1b88

800988040 has 32 divisors (see below), whose sum is σ = 1803735360. Its totient is φ = 320126400.

The previous prime is 800988037. The next prime is 800988043. The reversal of 800988040 is 40889008.

It is an interprime number because it is at equal distance from previous prime (800988037) and next prime (800988043).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (800988043) 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 7 ways as a sum of consecutive naturals, for example, 43885 + ... + 59395.

It is an arithmetic number, because the mean of its divisors is an integer number (56366730).

Almost surely, 2800988040 is an apocalyptic number.

It is an amenable number.

800988040 is an abundant number, since it is smaller than the sum of its proper divisors (1002747320).

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

800988040 is a wasteful number, since it uses less digits than its factorization.

800988040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16813 (or 16809 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 800988040 is about 28301.7321024703. The cubic root of 800988040 is about 928.6997824488.

The spelling of 800988040 in words is "eight hundred million, nine hundred eighty-eight thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 1291 2582 5164 6455 10328 12910 15511 25820 31022 51640 62044 77555 124088 155110 310220 620440 20024701 40049402 80098804 100123505 160197608 200247010 400494020 800988040