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84524137 = 367230311
BaseRepresentation
bin1010000100110…
…11110001101001
312220001021022121
411002123301221
5133114233022
612215351241
72044305025
oct502336151
9186037277
1084524137
1143791265
1224382521
13146856a9
14b323385
1576492c7
hex509bc69

84524137 has 4 divisors (see below), whose sum is σ = 84754816. Its totient is φ = 84293460.

The previous prime is 84524123. The next prime is 84524147. The reversal of 84524137 is 73142548.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84524137 - 219 = 83999849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84524107) 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 3 ways as a sum of consecutive naturals, for example, 114789 + ... + 115522.

It is an arithmetic number, because the mean of its divisors is an integer number (21188704).

Almost surely, 284524137 is an apocalyptic number.

It is an amenable number.

84524137 is a deficient number, since it is larger than the sum of its proper divisors (230679).

84524137 is a wasteful number, since it uses less digits than its factorization.

84524137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230678.

The product of its digits is 26880, while the sum is 34.

The square root of 84524137 is about 9193.7009414055. The cubic root of 84524137 is about 438.8609259496.

The spelling of 84524137 in words is "eighty-four million, five hundred twenty-four thousand, one hundred thirty-seven".

Divisors: 1 367 230311 84524137