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40014044 = 2278916057
BaseRepresentation
bin1001100010100…
…1000011011100
32210021220221122
42120221003130
540220422134
63545350112
7664054010
oct230510334
983256848
1040014044
1120650164
1211498338
1383a0065
145458540
1537a602e
hex26290dc

40014044 has 24 divisors (see below), whose sum is σ = 80932320. Its totient is φ = 16955136.

The previous prime is 40013999. The next prime is 40014059. The reversal of 40014044 is 44041004.

It is a super-2 number, since 2×400140442 = 3202247434467872, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5537 + ... + 10520.

It is an arithmetic number, because the mean of its divisors is an integer number (3372180).

Almost surely, 240014044 is an apocalyptic number.

It is an amenable number.

40014044 is an abundant number, since it is smaller than the sum of its proper divisors (40918276).

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

40014044 is a wasteful number, since it uses less digits than its factorization.

40014044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16157 (or 16155 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 40014044 is about 6325.6654985859. The cubic root of 40014044 is about 342.0352094890.

Adding to 40014044 its reverse (44041004), we get a palindrome (84055048).

The spelling of 40014044 in words is "forty million, fourteen thousand, forty-four".

Divisors: 1 2 4 7 14 28 89 178 356 623 1246 2492 16057 32114 64228 112399 224798 449596 1429073 2858146 5716292 10003511 20007022 40014044