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40339074 = 2343156353
BaseRepresentation
bin1001100111100…
…0011010000010
32210220102210210
42121320122002
540311322244
64000334550
7666606426
oct231703202
983812723
1040339074
1120852386
1211614456
138484c99
145500b86
15381c4b9
hex2678682

40339074 has 16 divisors (see below), whose sum is σ = 82554912. Its totient is φ = 13133568.

The previous prime is 40339073. The next prime is 40339081. The reversal of 40339074 is 47093304.

It is not an unprimeable number, because it can be changed into a prime (40339073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77919 + ... + 78434.

It is an arithmetic number, because the mean of its divisors is an integer number (5159682).

Almost surely, 240339074 is an apocalyptic number.

40339074 is an abundant number, since it is smaller than the sum of its proper divisors (42215838).

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

40339074 is a wasteful number, since it uses less digits than its factorization.

40339074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156401.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 40339074 is about 6351.3049052931. The cubic root of 40339074 is about 342.9588189020.

The spelling of 40339074 in words is "forty million, three hundred thirty-nine thousand, seventy-four".

Divisors: 1 2 3 6 43 86 129 258 156353 312706 469059 938118 6723179 13446358 20169537 40339074