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1043380990 = 25233569787
BaseRepresentation
bin111110001100001…
…011101011111110
32200201022020122101
4332030023223332
54114101142430
6251311135314
734566410041
oct7614135376
92621266571
101043380990
11495a63643
1225151453a
13138218902
149c800c58
15618eedca
hex3e30bafe

1043380990 has 32 divisors (see below), whose sum is σ = 1891861920. Its totient is φ = 414303744.

The previous prime is 1043380973. The next prime is 1043381011. The reversal of 1043380990 is 990833401.

It is a congruent number.

It is an unprimeable number.

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, 1325377 + ... + 1326163.

It is an arithmetic number, because the mean of its divisors is an integer number (59120685).

Almost surely, 21043380990 is an apocalyptic number.

1043380990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1043380990 is a deficient number, since it is larger than the sum of its proper divisors (848480930).

1043380990 is a wasteful number, since it uses less digits than its factorization.

1043380990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1043380990 is about 32301.4084832225. The cubic root of 1043380990 is about 1014.2561270500.

The spelling of 1043380990 in words is "one billion, forty-three million, three hundred eighty thousand, nine hundred ninety".

Divisors: 1 2 5 10 233 466 569 787 1138 1165 1574 2330 2845 3935 5690 7870 132577 183371 265154 366742 447803 662885 895606 916855 1325770 1833710 2239015 4478030 104338099 208676198 521690495 1043380990