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10439143 = 1113371973
BaseRepresentation
bin100111110100…
…100111100111
3201122100210221
4213310213213
510133023033
61011425211
7154505551
oct47644747
921570727
1010439143
1159900a0
1235b5207
132216710
14155a4d1
15db312d
hex9f49e7

10439143 has 16 divisors (see below), whose sum is σ = 12602016. Its totient is φ = 8519040.

The previous prime is 10439141. The next prime is 10439147. The reversal of 10439143 is 34193401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10439143 - 21 = 10439141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10439141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4305 + ... + 6277.

It is an arithmetic number, because the mean of its divisors is an integer number (787626).

Almost surely, 210439143 is an apocalyptic number.

10439143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10439143 is a deficient number, since it is larger than the sum of its proper divisors (2162873).

10439143 is a wasteful number, since it uses less digits than its factorization.

10439143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 10439143 is about 3230.9662641383. The cubic root of 10439143 is about 218.5520824271.

The spelling of 10439143 in words is "ten million, four hundred thirty-nine thousand, one hundred forty-three".

Divisors: 1 11 13 37 143 407 481 1973 5291 21703 25649 73001 282139 803011 949013 10439143