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40271933 = 133097841
BaseRepresentation
bin1001100110100…
…0000000111101
32210210000201002
42121220000331
540302200213
63555100045
7666206612
oct231500075
983700632
1040271933
1120806999
12115a1625
138460560
1454c4509
153807658
hex266803d

40271933 has 4 divisors (see below), whose sum is σ = 43369788. Its totient is φ = 37174080.

The previous prime is 40271927. The next prime is 40271939. The reversal of 40271933 is 33917204.

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

It is an interprime number because it is at equal distance from previous prime (40271927) and next prime (40271939).

It can be written as a sum of positive squares in 2 ways, for example, as 21279769 + 18992164 = 4613^2 + 4358^2 .

It is a cyclic number.

It is not a de Polignac number, because 40271933 - 28 = 40271677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40271896 and 40271905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40271939) 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 3 ways as a sum of consecutive naturals, for example, 1548908 + ... + 1548933.

It is an arithmetic number, because the mean of its divisors is an integer number (10842447).

Almost surely, 240271933 is an apocalyptic number.

It is an amenable number.

40271933 is a deficient number, since it is larger than the sum of its proper divisors (3097855).

40271933 is a wasteful number, since it uses less digits than its factorization.

40271933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097854.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 40271933 is about 6346.0170973611. The cubic root of 40271933 is about 342.7684378572.

The spelling of 40271933 in words is "forty million, two hundred seventy-one thousand, nine hundred thirty-three".

Divisors: 1 13 3097841 40271933