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84134841 = 374785243
BaseRepresentation
bin1010000001111…
…00101110111001
312212022111022020
411000330232321
5133014303331
612203145053
72041064040
oct500745671
9185274266
1084134841
114354582a
1224215189
131457a43b
14b261557
1575bdc96
hex503cbb9

84134841 has 16 divisors (see below), whose sum is σ = 130934784. Its totient is φ = 47053584.

The previous prime is 84134839. The next prime is 84134857. The reversal of 84134841 is 14843148.

It is not a de Polignac number, because 84134841 - 21 = 84134839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84134821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41635 + ... + 43608.

It is an arithmetic number, because the mean of its divisors is an integer number (8183424).

Almost surely, 284134841 is an apocalyptic number.

It is an amenable number.

84134841 is a deficient number, since it is larger than the sum of its proper divisors (46799943).

84134841 is a wasteful number, since it uses less digits than its factorization.

84134841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85300.

The product of its digits is 12288, while the sum is 33.

The square root of 84134841 is about 9172.5046197862. The cubic root of 84134841 is about 438.1861294786.

Adding to 84134841 its reverse (14843148), we get a palindrome (98977989).

The spelling of 84134841 in words is "eighty-four million, one hundred thirty-four thousand, eight hundred forty-one".

Divisors: 1 3 7 21 47 141 329 987 85243 255729 596701 1790103 4006421 12019263 28044947 84134841