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84223077 = 3193145463
BaseRepresentation
bin1010000010100…
…10010001100101
312212110222100020
411001102101211
5133030114302
612205105353
72041612221
oct501222145
9185428306
1084223077
11435a6054
1224258259
13145ab653
14b285781
1575d9ebc
hex5052465

84223077 has 8 divisors (see below), whose sum is σ = 112880064. Its totient is φ = 55857408.

The previous prime is 84223057. The next prime is 84223099. The reversal of 84223077 is 77032248.

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

It is not a de Polignac number, because 84223077 - 27 = 84222949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84223057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72153 + ... + 73310.

It is an arithmetic number, because the mean of its divisors is an integer number (14110008).

Almost surely, 284223077 is an apocalyptic number.

It is an amenable number.

84223077 is a deficient number, since it is larger than the sum of its proper divisors (28656987).

84223077 is a wasteful number, since it uses less digits than its factorization.

84223077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145659.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 84223077 is about 9177.3131688964. The cubic root of 84223077 is about 438.3392578084.

The spelling of 84223077 in words is "eighty-four million, two hundred twenty-three thousand, seventy-seven".

Divisors: 1 3 193 579 145463 436389 28074359 84223077