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40014012 = 2239773413
BaseRepresentation
bin1001100010100…
…1000010111100
32210021220220110
42120221002330
540220422022
63545350020
7664053633
oct230510274
983256813
1040014012
1120650135
1211498310
1383a003c
14545851a
1537a600c
hex26290bc

40014012 has 24 divisors (see below), whose sum is σ = 93488976. Its totient is φ = 13320448.

The previous prime is 40013999. The next prime is 40014059. The reversal of 40014012 is 21041004.

It is a super-2 number, since 2×400140122 = 3202242312672288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 10018 + ... + 13430.

It is an arithmetic number, because the mean of its divisors is an integer number (3895374).

Almost surely, 240014012 is an apocalyptic number.

It is an amenable number.

40014012 is an abundant number, since it is smaller than the sum of its proper divisors (53474964).

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

40014012 is a wasteful number, since it uses less digits than its factorization.

40014012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4397 (or 4395 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 40014012 is about 6325.6629692073. The cubic root of 40014012 is about 342.0351183116.

Adding to 40014012 its reverse (21041004), we get a palindrome (61055016).

The spelling of 40014012 in words is "forty million, fourteen thousand, twelve".

Divisors: 1 2 3 4 6 12 977 1954 2931 3413 3908 5862 6826 10239 11724 13652 20478 40956 3334501 6669002 10003503 13338004 20007006 40014012