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1020633982 = 219432232801
BaseRepresentation
bin111100110101011…
…010001101111110
32122010111120121121
4330311122031332
54042240241412
6245135421154
734202150164
oct7465321576
92563446547
101020633982
11484137465
122459847ba
131335b3044
149979d234
155e90a107
hex3cd5a37e

1020633982 has 32 divisors (see below), whose sum is σ = 1656990720. Its totient is φ = 469929600.

The previous prime is 1020633953. The next prime is 1020633983. The reversal of 1020633982 is 2893360201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020633983) 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, 362982 + ... + 365782.

It is an arithmetic number, because the mean of its divisors is an integer number (51780960).

Almost surely, 21020633982 is an apocalyptic number.

1020633982 is a deficient number, since it is larger than the sum of its proper divisors (636356738).

1020633982 is a wasteful number, since it uses less digits than its factorization.

1020633982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 1020633982 is about 31947.3626767531. The cubic root of 1020633982 is about 1006.8312221430.

The spelling of 1020633982 in words is "one billion, twenty million, six hundred thirty-three thousand, nine hundred eighty-two".

Divisors: 1 2 19 38 43 86 223 446 817 1634 2801 4237 5602 8474 9589 19178 53219 106438 120443 182191 240886 364382 624623 1249246 2288417 4576834 11867837 23735674 26858789 53717578 510316991 1020633982