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9981050 = 252199621
BaseRepresentation
bin100110000100…
…110001111010
3200210002102112
4212010301322
510023343200
6553532322
7150560162
oct46046172
920702375
109981050
1156a7a02
1234140a2
1320b6061
14147b5a2
15d22535
hex984c7a

9981050 has 12 divisors (see below), whose sum is σ = 18564846. Its totient is φ = 3992400.

The previous prime is 9981043. The next prime is 9981053. The reversal of 9981050 is 501899.

It can be written as a sum of positive squares in 3 ways, for example, as 6135529 + 3845521 = 2477^2 + 1961^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9980998 and 9981016.

It is not an unprimeable number, because it can be changed into a prime (9981053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99761 + ... + 99860.

Almost surely, 29981050 is an apocalyptic number.

9981050 is a deficient number, since it is larger than the sum of its proper divisors (8583796).

9981050 is a wasteful number, since it uses less digits than its factorization.

9981050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199633 (or 199628 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 9981050 is about 3159.2799812616. The cubic root of 9981050 is about 215.3072944921.

It can be divided in two parts, 998 and 1050, that added together give a 11-th power (2048 = 211).

The spelling of 9981050 in words is "nine million, nine hundred eighty-one thousand, fifty".

Divisors: 1 2 5 10 25 50 199621 399242 998105 1996210 4990525 9981050