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82850769 = 341022849
BaseRepresentation
bin1001111000000…
…11001111010001
312202220020220000
410330003033101
5132202211034
612115440213
72024135301
oct474031721
9182806800
1082850769
1142849011
12238b6069
131421ab31
14b009601
157418599
hex4f033d1

82850769 has 10 divisors (see below), whose sum is σ = 123764850. Its totient is φ = 55233792.

The previous prime is 82850753. The next prime is 82850777. The reversal of 82850769 is 96705828.

82850769 is a `hidden beast` number, since 82 + 8 + 507 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 56070144 + 26780625 = 7488^2 + 5175^2 .

It is not a de Polignac number, because 82850769 - 24 = 82850753 is a prime.

It is a super-2 number, since 2×828507692 = 13728499847782722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82850869) 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 9 ways as a sum of consecutive naturals, for example, 511344 + ... + 511505.

It is an arithmetic number, because the mean of its divisors is an integer number (12376485).

Almost surely, 282850769 is an apocalyptic number.

It is an amenable number.

82850769 is a deficient number, since it is larger than the sum of its proper divisors (40914081).

82850769 is a wasteful number, since it uses less digits than its factorization.

82850769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022861 (or 1022852 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 82850769 is about 9102.2397793071. The cubic root of 82850769 is about 435.9454821293.

The spelling of 82850769 in words is "eighty-two million, eight hundred fifty thousand, seven hundred sixty-nine".

Divisors: 1 3 9 27 81 1022849 3068547 9205641 27616923 82850769