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40100808 = 23311151897
BaseRepresentation
bin1001100011111…
…0001111001000
32210110022222010
42120332033020
540231211213
63551255520
7664564656
oct230761710
983408863
1040100808
11206aa370
121151a5a0
1384006b7
14547bdd6
1537c1ac3
hex263e3c8

40100808 has 32 divisors (see below), whose sum is σ = 109366560. Its totient is φ = 12151680.

The previous prime is 40100791. The next prime is 40100813. The reversal of 40100808 is 80800104.

40100808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75685 + ... + 76212.

It is an arithmetic number, because the mean of its divisors is an integer number (3417705).

Almost surely, 240100808 is an apocalyptic number.

It is an amenable number.

40100808 is an abundant number, since it is smaller than the sum of its proper divisors (69265752).

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

40100808 is a wasteful number, since it uses less digits than its factorization.

40100808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151917 (or 151913 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 40100808 is about 6332.5198775843. The cubic root of 40100808 is about 342.2822470813.

The spelling of 40100808 in words is "forty million, one hundred thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 151897 303794 455691 607588 911382 1215176 1670867 1822764 3341734 3645528 5012601 6683468 10025202 13366936 20050404 40100808