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40136926 = 220068463
BaseRepresentation
bin1001100100011…
…1000011011110
32210112011111211
42121013003132
540233340201
63552135034
7665105164
oct231070336
983464454
1040136926
1120724515
121153747a
138413c7b
14548b234
1537cc651
hex26470de

40136926 has 4 divisors (see below), whose sum is σ = 60205392. Its totient is φ = 20068462.

The previous prime is 40136923. The next prime is 40136927. The reversal of 40136926 is 62963104.

40136926 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×401369262 = 3221945657458952, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40136923) 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 as a sum of consecutive naturals, namely, 10034230 + ... + 10034233.

It is an arithmetic number, because the mean of its divisors is an integer number (15051348).

Almost surely, 240136926 is an apocalyptic number.

40136926 is a deficient number, since it is larger than the sum of its proper divisors (20068466).

40136926 is a wasteful number, since it uses less digits than its factorization.

40136926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20068465.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 40136926 is about 6335.3710230736. The cubic root of 40136926 is about 342.3849785149.

The spelling of 40136926 in words is "forty million, one hundred thirty-six thousand, nine hundred twenty-six".

Divisors: 1 2 20068463 40136926