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40211868 = 22317197117
BaseRepresentation
bin1001100101100…
…1010110011100
32210122222022110
42121121112130
540243234433
63553514020
7665536524
oct231312634
983588273
1040211868
1120775854
1211572910
13843c108
1454aa684
1537e4963
hex265959c

40211868 has 24 divisors (see below), whose sum is σ = 99347472. Its totient is φ = 12615424.

The previous prime is 40211861. The next prime is 40211881. The reversal of 40211868 is 86811204.

40211868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40211861) by changing a digit.

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, 98355 + ... + 98762.

It is an arithmetic number, because the mean of its divisors is an integer number (4139478).

Almost surely, 240211868 is an apocalyptic number.

It is an amenable number.

40211868 is an abundant number, since it is smaller than the sum of its proper divisors (59135604).

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

40211868 is a wasteful number, since it uses less digits than its factorization.

40211868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197141 (or 197139 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 40211868 is about 6341.2828355152. The cubic root of 40211868 is about 342.5979416916.

The spelling of 40211868 in words is "forty million, two hundred eleven thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 197117 394234 591351 788468 1182702 2365404 3350989 6701978 10052967 13403956 20105934 40211868