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84530117 = 712075731
BaseRepresentation
bin1010000100111…
…01001111000101
312220001120112002
411002131033011
5133114430432
612215435045
72044331330
oct502351705
9186046462
1084530117
1143795801
1224385a85
1314688329
14b325617
15764ae62
hex509d3c5

84530117 has 4 divisors (see below), whose sum is σ = 96605856. Its totient is φ = 72454380.

The previous prime is 84530093. The next prime is 84530141. The reversal of 84530117 is 71103548.

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 an interprime number because it is at equal distance from previous prime (84530093) and next prime (84530141).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-84530117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84530117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84530717) 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, 6037859 + ... + 6037872.

It is an arithmetic number, because the mean of its divisors is an integer number (24151464).

Almost surely, 284530117 is an apocalyptic number.

It is an amenable number.

84530117 is a deficient number, since it is larger than the sum of its proper divisors (12075739).

84530117 is a wasteful number, since it uses less digits than its factorization.

84530117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12075738.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 84530117 is about 9194.0261583269. The cubic root of 84530117 is about 438.8712753659.

The spelling of 84530117 in words is "eighty-four million, five hundred thirty thousand, one hundred seventeen".

Divisors: 1 7 12075731 84530117