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8940012 = 223745001
BaseRepresentation
bin100010000110…
…100111101100
3121211012101120
4202012213230
54242040022
6515340540
7135663114
oct42064754
917735346
108940012
115056844
122bb1750
131b10263
14128a044
15bb8d5c
hex8869ec

8940012 has 12 divisors (see below), whose sum is σ = 20860056. Its totient is φ = 2980000.

The previous prime is 8940007. The next prime is 8940017. The reversal of 8940012 is 2100498.

It is an interprime number because it is at equal distance from previous prime (8940007) and next prime (8940017).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8940017) 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 3 ways as a sum of consecutive naturals, for example, 372489 + ... + 372512.

It is an arithmetic number, because the mean of its divisors is an integer number (1738338).

Almost surely, 28940012 is an apocalyptic number.

It is an amenable number.

8940012 is an abundant number, since it is smaller than the sum of its proper divisors (11920044).

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

8940012 is a wasteful number, since it uses less digits than its factorization.

8940012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745008 (or 745006 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 8940012 is about 2989.9852842447. The cubic root of 8940012 is about 207.5452032936.

The spelling of 8940012 in words is "eight million, nine hundred forty thousand, twelve".

Divisors: 1 2 3 4 6 12 745001 1490002 2235003 2980004 4470006 8940012