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84500969 = 712071567
BaseRepresentation
bin1010000100101…
…10000111101001
312220000002112112
411002112013221
5133113012334
612215052105
72044150340
oct502260751
9186002475
1084500969
1143775913
1224371035
1314677c97
14b318b57
1576424ce
hex50961e9

84500969 has 4 divisors (see below), whose sum is σ = 96572544. Its totient is φ = 72429396.

The previous prime is 84500963. The next prime is 84500981. The reversal of 84500969 is 96900548.

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 84500969 - 212 = 84496873 is a prime.

It is a super-2 number, since 2×845009692 = 14280827523877922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84500963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6035777 + ... + 6035790.

It is an arithmetic number, because the mean of its divisors is an integer number (24143136).

Almost surely, 284500969 is an apocalyptic number.

It is an amenable number.

84500969 is a deficient number, since it is larger than the sum of its proper divisors (12071575).

84500969 is a wasteful number, since it uses less digits than its factorization.

84500969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12071574.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 84500969 is about 9192.4408619256. The cubic root of 84500969 is about 438.8208251397.

The spelling of 84500969 in words is "eighty-four million, five hundred thousand, nine hundred sixty-nine".

Divisors: 1 7 12071567 84500969