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84122297 = 712017471
BaseRepresentation
bin1010000001110…
…01101010111001
312212021212002122
411000321222321
5133013403142
612203011025
72041012340
oct500715271
9185255078
1084122297
1143537366
1224209a75
131457480c
14b25ab57
1575ba1d2
hex5039ab9

84122297 has 4 divisors (see below), whose sum is σ = 96139776. Its totient is φ = 72104820.

The previous prime is 84122279. The next prime is 84122299. The reversal of 84122297 is 79222148.

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 84122297 - 28 = 84122041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84122299) 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, 6008729 + ... + 6008742.

It is an arithmetic number, because the mean of its divisors is an integer number (24034944).

Almost surely, 284122297 is an apocalyptic number.

It is an amenable number.

84122297 is a deficient number, since it is larger than the sum of its proper divisors (12017479).

84122297 is a wasteful number, since it uses less digits than its factorization.

84122297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12017478.

The product of its digits is 16128, while the sum is 35.

The square root of 84122297 is about 9171.8208115946. The cubic root of 84122297 is about 438.1643514220.

The spelling of 84122297 in words is "eighty-four million, one hundred twenty-two thousand, two hundred ninety-seven".

Divisors: 1 7 12017471 84122297