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84223407 = 3101927551
BaseRepresentation
bin1010000010100…
…10010110101111
312212110222210110
411001102112233
5133030122112
612205111103
72041613202
oct501222657
9185428713
1084223407
11435a6324
1224258493
13145ab848
14b285939
1575da13c
hex50525af

84223407 has 8 divisors (see below), whose sum is σ = 112412160. Its totient is φ = 56091800.

The previous prime is 84223387. The next prime is 84223411. The reversal of 84223407 is 70432248.

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

It is a cyclic number.

It is not a de Polignac number, because 84223407 - 26 = 84223343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84223417) 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, 10719 + ... + 16832.

It is an arithmetic number, because the mean of its divisors is an integer number (14051520).

Almost surely, 284223407 is an apocalyptic number.

84223407 is a deficient number, since it is larger than the sum of its proper divisors (28188753).

84223407 is a wasteful number, since it uses less digits than its factorization.

84223407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28573.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 84223407 is about 9177.3311479972. The cubic root of 84223407 is about 438.3398303030.

The spelling of 84223407 in words is "eighty-four million, two hundred twenty-three thousand, four hundred seven".

Divisors: 1 3 1019 3057 27551 82653 28074469 84223407