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84241687 = 1943971063
BaseRepresentation
bin1010000010101…
…10110100010111
312212111220212111
411001112310113
5133031213222
612205331451
72042020405
oct501266427
9185456774
1084241687
1143609032
1224266b87
13145b6c6a
14b28c475
1575e0777
hex5056d17

84241687 has 16 divisors (see below), whose sum is σ = 91759360. Its totient is φ = 77075712.

The previous prime is 84241669. The next prime is 84241691. The reversal of 84241687 is 78614248.

It is a cyclic number.

It is not a de Polignac number, because 84241687 - 27 = 84241559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84241697) 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 15 ways as a sum of consecutive naturals, for example, 78718 + ... + 79780.

It is an arithmetic number, because the mean of its divisors is an integer number (5734960).

Almost surely, 284241687 is an apocalyptic number.

84241687 is a deficient number, since it is larger than the sum of its proper divisors (7517673).

84241687 is a wasteful number, since it uses less digits than its factorization.

84241687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222.

The product of its digits is 86016, while the sum is 40.

The square root of 84241687 is about 9178.3270262069. The cubic root of 84241687 is about 438.3715406978.

The spelling of 84241687 in words is "eighty-four million, two hundred forty-one thousand, six hundred eighty-seven".

Divisors: 1 19 43 97 817 1063 1843 4171 20197 45709 79249 103111 868471 1959109 4433773 84241687