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84132841 = 1317337409
BaseRepresentation
bin1010000001111…
…00001111101001
312212022101120011
411000330033221
5133014222331
612203131521
72041055152
oct500741751
9185271504
1084132841
1143544281
1224213ba1
1314579560
14b260929
1575bd3b1
hex503c3e9

84132841 has 8 divisors (see below), whose sum is σ = 91130760. Its totient is φ = 77210112.

The previous prime is 84132823. The next prime is 84132869. The reversal of 84132841 is 14823148.

It can be written as a sum of positive squares in 4 ways, for example, as 958441 + 83174400 = 979^2 + 9120^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84132841 - 25 = 84132809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84132871) 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 7 ways as a sum of consecutive naturals, for example, 16456 + ... + 20953.

It is an arithmetic number, because the mean of its divisors is an integer number (11391345).

Almost surely, 284132841 is an apocalyptic number.

It is an amenable number.

84132841 is a deficient number, since it is larger than the sum of its proper divisors (6997919).

84132841 is a wasteful number, since it uses less digits than its factorization.

84132841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37595.

The product of its digits is 6144, while the sum is 31.

The square root of 84132841 is about 9172.3955976615. The cubic root of 84132841 is about 438.1826573570.

Adding to 84132841 its reverse (14823148), we get a palindrome (98955989).

The spelling of 84132841 in words is "eighty-four million, one hundred thirty-two thousand, eight hundred forty-one".

Divisors: 1 13 173 2249 37409 486317 6471757 84132841