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40014042 = 236669007
BaseRepresentation
bin1001100010100…
…1000011011010
32210021220221120
42120221003122
540220422132
63545350110
7664054005
oct230510332
983256846
1040014042
1120650162
1211498336
1383a0063
14545853c
1537a602c
hex26290da

40014042 has 8 divisors (see below), whose sum is σ = 80028096. Its totient is φ = 13338012.

The previous prime is 40013999. The next prime is 40014059. The reversal of 40014042 is 24041004.

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

40014042 is an admirable number.

It is a super-2 number, since 2×400140422 = 3202247114355528, which contains 22 as substring.

It is an unprimeable number.

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, 3334498 + ... + 3334509.

It is an arithmetic number, because the mean of its divisors is an integer number (10003512).

Almost surely, 240014042 is an apocalyptic number.

40014042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40014042 is a wasteful number, since it uses less digits than its factorization.

40014042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6669012.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 40014042 is about 6325.6653404998. The cubic root of 40014042 is about 342.0352037904.

Adding to 40014042 its reverse (24041004), we get a palindrome (64055046).

The spelling of 40014042 in words is "forty million, fourteen thousand, forty-two".

Divisors: 1 2 3 6 6669007 13338014 20007021 40014042