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40054386 = 2312895179
BaseRepresentation
bin1001100011001…
…0111001110010
32210100222021210
42120302321302
540223220021
63550300550
7664312431
oct230627162
983328253
1040054386
11206784a9
12114b7756
1383b5528
145469118
1537b2e76
hex2632e72

40054386 has 16 divisors (see below), whose sum is σ = 80186400. Its totient is φ = 13338528.

The previous prime is 40054373. The next prime is 40054433. The reversal of 40054386 is 68345004.

40054386 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, 5145 + ... + 10323.

It is an arithmetic number, because the mean of its divisors is an integer number (5011650).

Almost surely, 240054386 is an apocalyptic number.

40054386 is an abundant number, since it is smaller than the sum of its proper divisors (40132014).

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

40054386 is a wasteful number, since it uses less digits than its factorization.

40054386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6473.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40054386 is about 6328.8534506655. The cubic root of 40054386 is about 342.1501170604.

The spelling of 40054386 in words is "forty million, fifty-four thousand, three hundred eighty-six".

Divisors: 1 2 3 6 1289 2578 3867 5179 7734 10358 15537 31074 6675731 13351462 20027193 40054386