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84532505 = 531545371
BaseRepresentation
bin1010000100111…
…01110100011001
312220001200210112
411002131310121
5133120020010
612215454105
72044341311
oct502356431
9186050715
1084532505
1143797582
1224387335
1314689445
14b326441
15764ba05
hex509dd19

84532505 has 8 divisors (see below), whose sum is σ = 104711424. Its totient is φ = 65444400.

The previous prime is 84532489. The next prime is 84532507. The reversal of 84532505 is 50523548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84532505 - 24 = 84532489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84532507) 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 7 ways as a sum of consecutive naturals, for example, 272531 + ... + 272840.

It is an arithmetic number, because the mean of its divisors is an integer number (13088928).

Almost surely, 284532505 is an apocalyptic number.

It is an amenable number.

84532505 is a deficient number, since it is larger than the sum of its proper divisors (20178919).

84532505 is a wasteful number, since it uses less digits than its factorization.

84532505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545407.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 84532505 is about 9194.1560243450. The cubic root of 84532505 is about 438.8754080734.

The spelling of 84532505 in words is "eighty-four million, five hundred thirty-two thousand, five hundred five".

Divisors: 1 5 31 155 545371 2726855 16906501 84532505