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1043020407 = 311132431283
BaseRepresentation
bin111110001010110…
…011101001110111
32200200121221000110
4332022303221313
54114003123112
6251255314103
734563345552
oct7612635167
92620557013
101043020407
11495837740
1225137b933
13138120750
149c749699
156187d13c
hex3e2b3a77

1043020407 has 16 divisors (see below), whose sum is σ = 1633822848. Its totient is φ = 583507680.

The previous prime is 1043020379. The next prime is 1043020411. The reversal of 1043020407 is 7040203401.

It is not a de Polignac number, because 1043020407 - 211 = 1043018359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043020207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215213 + ... + 1216070.

It is an arithmetic number, because the mean of its divisors is an integer number (102113928).

Almost surely, 21043020407 is an apocalyptic number.

1043020407 is a deficient number, since it is larger than the sum of its proper divisors (590802441).

1043020407 is a wasteful number, since it uses less digits than its factorization.

1043020407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431310.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 1043020407 is about 32295.8264641114. The cubic root of 1043020407 is about 1014.1392743506.

Adding to 1043020407 its reverse (7040203401), we get a palindrome (8083223808).

The spelling of 1043020407 in words is "one billion, forty-three million, twenty thousand, four hundred seven".

Divisors: 1 3 11 13 33 39 143 429 2431283 7293849 26744113 31606679 80232339 94820037 347673469 1043020407