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40033842 = 236672307
BaseRepresentation
bin1001100010110…
…1111000110010
32210022221002220
42120231320302
540222040332
63550021510
7664165512
oct230557062
983287086
1040033842
1120664022
12114a7896
1383a9084
145461842
1537abd2c
hex262de32

40033842 has 8 divisors (see below), whose sum is σ = 80067696. Its totient is φ = 13344612.

The previous prime is 40033813. The next prime is 40033843. The reversal of 40033842 is 24833004.

40033842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

40033842 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (40033843) 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 3 ways as a sum of consecutive naturals, for example, 3336148 + ... + 3336159.

It is an arithmetic number, because the mean of its divisors is an integer number (10008462).

Almost surely, 240033842 is an apocalyptic number.

40033842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40033842 is a wasteful number, since it uses less digits than its factorization.

40033842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6672312.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 40033842 is about 6327.2301997003. The cubic root of 40033842 is about 342.0916104914.

Adding to 40033842 its reverse (24833004), we get a palindrome (64866846).

The spelling of 40033842 in words is "forty million, thirty-three thousand, eight hundred forty-two".

Divisors: 1 2 3 6 6672307 13344614 20016921 40033842