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40034005 = 511727891
BaseRepresentation
bin1001100010110…
…1111011010101
32210022221022221
42120231323111
540222042010
63550022341
7664166134
oct230557325
983287287
1040034005
1120664160
12114a79b1
1383a917b
14546191b
1537abdda
hex262ded5

40034005 has 8 divisors (see below), whose sum is σ = 52408224. Its totient is φ = 29115600.

The previous prime is 40033967. The next prime is 40034021. The reversal of 40034005 is 50043004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-40034005 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40034005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363891 + ... + 364000.

It is an arithmetic number, because the mean of its divisors is an integer number (6551028).

Almost surely, 240034005 is an apocalyptic number.

It is an amenable number.

40034005 is a deficient number, since it is larger than the sum of its proper divisors (12374219).

40034005 is a wasteful number, since it uses less digits than its factorization.

40034005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727907.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 40034005 is about 6327.2430805209. The cubic root of 40034005 is about 342.0920747724.

Adding to 40034005 its reverse (50043004), we get a palindrome (90077009).

It can be divided in two parts, 4003 and 4005, that added together give a palindrome (8008).

The spelling of 40034005 in words is "forty million, thirty-four thousand, five".

Divisors: 1 5 11 55 727891 3639455 8006801 40034005