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86984697 = 328994899
BaseRepresentation
bin1010010111101…
…00011111111001
320001200021120110
411023310133321
5134232002242
612344214533
72104233462
oct513643771
9201607513
1086984697
1145111988
122516a449
1315037647
14b7a3d69
15798339c
hex52f47f9

86984697 has 4 divisors (see below), whose sum is σ = 115979600. Its totient is φ = 57989796.

The previous prime is 86984663. The next prime is 86984701. The reversal of 86984697 is 79648968.

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 not a de Polignac number, because 86984697 - 28 = 86984441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86984627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14497447 + ... + 14497452.

It is an arithmetic number, because the mean of its divisors is an integer number (28994900).

Almost surely, 286984697 is an apocalyptic number.

It is an amenable number.

86984697 is a deficient number, since it is larger than the sum of its proper divisors (28994903).

86984697 is a wasteful number, since it uses less digits than its factorization.

86984697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28994902.

The product of its digits is 5225472, while the sum is 57.

The square root of 86984697 is about 9326.5586901064. The cubic root of 86984697 is about 443.0787804460.

The spelling of 86984697 in words is "eighty-six million, nine hundred eighty-four thousand, six hundred ninety-seven".

Divisors: 1 3 28994899 86984697