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40075067 = 47852661
BaseRepresentation
bin1001100011011…
…1111100111011
32210102000122202
42120313330323
540224400232
63550540415
7664426634
oct230677473
983360582
1040075067
1120691a9a
121150770b
1383c1a76
14547288b
1537b9162
hex2637f3b

40075067 has 4 divisors (see below), whose sum is σ = 40927776. Its totient is φ = 39222360.

The previous prime is 40075043. The next prime is 40075073. The reversal of 40075067 is 76057004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40075067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40075037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426284 + ... + 426377.

It is an arithmetic number, because the mean of its divisors is an integer number (10231944).

Almost surely, 240075067 is an apocalyptic number.

40075067 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

40075067 is a deficient number, since it is larger than the sum of its proper divisors (852709).

40075067 is an equidigital number, since it uses as much as digits as its factorization.

40075067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852708.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 40075067 is about 6330.4871060606. The cubic root of 40075067 is about 342.2089935847.

The spelling of 40075067 in words is "forty million, seventy-five thousand, sixty-seven".

Divisors: 1 47 852661 40075067