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40004034 = 2371138429
BaseRepresentation
bin1001100010011…
…0100111000010
32210021102012220
42120212213002
540220112114
63545231510
7664012560
oct230464702
983242186
1040004034
1120643694
1211492596
138398635
145454a30
1537a30a9
hex26269c2

40004034 has 32 divisors (see below), whose sum is σ = 92257920. Its totient is φ = 11327232.

The previous prime is 40004023. The next prime is 40004039. The reversal of 40004034 is 43040004.

Adding to 40004034 its reverse (43040004), we get a palindrome (83044038).

It is not an unprimeable number, because it can be changed into a prime (40004039) 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 15 ways as a sum of consecutive naturals, for example, 532 + ... + 8960.

It is an arithmetic number, because the mean of its divisors is an integer number (2883060).

Almost surely, 240004034 is an apocalyptic number.

40004034 is an abundant number, since it is smaller than the sum of its proper divisors (52253886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40004034 is a wasteful number, since it uses less digits than its factorization.

40004034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8554.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 40004034 is about 6324.8742279985. The cubic root of 40004034 is about 342.0066856872.

The spelling of 40004034 in words is "forty million, four thousand, thirty-four", and thus it is an eban number.

Divisors: 1 2 3 6 7 14 21 42 113 226 339 678 791 1582 2373 4746 8429 16858 25287 50574 59003 118006 177009 354018 952477 1904954 2857431 5714862 6667339 13334678 20002017 40004034