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1026131982 = 232321132861
BaseRepresentation
bin111101001010011…
…000100000001110
32122111211220110020
4331022120200032
54100142210412
6245453323010
734266656301
oct7512304016
92574756406
101026131982
11487252167
12247796466
131347896b5
149a3d0b38
156014418c
hex3d29880e

1026131982 has 48 divisors (see below), whose sum is σ = 2165114448. Its totient is φ = 324163840.

The previous prime is 1026131947. The next prime is 1026131987. The reversal of 1026131982 is 2891316201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026131987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 357232 + ... + 360092.

It is an arithmetic number, because the mean of its divisors is an integer number (45106551).

Almost surely, 21026131982 is an apocalyptic number.

1026131982 is an abundant number, since it is smaller than the sum of its proper divisors (1138982466).

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

1026131982 is a wasteful number, since it uses less digits than its factorization.

1026131982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025 (or 3002 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1026131982 is about 32033.2948976530. The cubic root of 1026131982 is about 1008.6358677720.

The spelling of 1026131982 in words is "one billion, twenty-six million, one hundred thirty-one thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 23 46 69 113 138 226 339 529 678 1058 1587 2599 2861 3174 5198 5722 7797 8583 15594 17166 59777 65803 119554 131606 179331 197409 323293 358662 394818 646586 969879 1513469 1939758 3026938 4540407 7435739 9080814 14871478 22307217 44614434 171021997 342043994 513065991 1026131982