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40385068 = 2249920233
BaseRepresentation
bin1001101000001…
…1101000101100
32210222202220021
42122003220230
540314310233
64001331524
71000160503
oct232035054
983882807
1040385068
1120883999
1211636ba4
13849cbb9
14551383a
15382ae2d
hex2683a2c

40385068 has 12 divisors (see below), whose sum is σ = 70819000. Its totient is φ = 20151072.

The previous prime is 40385063. The next prime is 40385071. The reversal of 40385068 is 86058304.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40385063) 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, 8121 + ... + 12112.

Almost surely, 240385068 is an apocalyptic number.

It is an amenable number.

40385068 is a deficient number, since it is larger than the sum of its proper divisors (30433932).

40385068 is a wasteful number, since it uses less digits than its factorization.

40385068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20736 (or 20734 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 40385068 is about 6354.9247045107. The cubic root of 40385068 is about 343.0891148743.

The spelling of 40385068 in words is "forty million, three hundred eighty-five thousand, sixty-eight".

Divisors: 1 2 4 499 998 1996 20233 40466 80932 10096267 20192534 40385068