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84137067 = 3272190787
BaseRepresentation
bin1010000001111…
…01010001101011
312212022121100200
411000331101223
5133014341232
612203203243
72041103400
oct500752153
9185277320
1084137067
1143547473
1224216523
131457b461
14b2622a7
1575be77c
hex503d46b

84137067 has 18 divisors (see below), whose sum is σ = 141373908. Its totient is φ = 48078072.

The previous prime is 84137047. The next prime is 84137071. The reversal of 84137067 is 76073148.

It is not a de Polignac number, because 84137067 - 216 = 84071531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84137047) 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 17 ways as a sum of consecutive naturals, for example, 94953 + ... + 95834.

It is an arithmetic number, because the mean of its divisors is an integer number (7854106).

Almost surely, 284137067 is an apocalyptic number.

84137067 is a deficient number, since it is larger than the sum of its proper divisors (57236841).

84137067 is a wasteful number, since it uses less digits than its factorization.

84137067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190807 (or 190797 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 84137067 is about 9172.6259598874. The cubic root of 84137067 is about 438.1899938853.

The spelling of 84137067 in words is "eighty-four million, one hundred thirty-seven thousand, sixty-seven".

Divisors: 1 3 7 9 21 49 63 147 441 190787 572361 1335509 1717083 4006527 9348563 12019581 28045689 84137067