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84477084 = 22367105071
BaseRepresentation
bin1010000100100…
…00010010011100
312212221212202220
411002100102130
5133111231314
612214345340
72044020606
oct502202234
9185855686
1084477084
114375997a
122435b250
131466a153
14b310176
15763a3a9
hex509049c

84477084 has 24 divisors (see below), whose sum is σ = 200057088. Its totient is φ = 27738480.

The previous prime is 84477079. The next prime is 84477089. The reversal of 84477084 is 48077448.

It is an interprime number because it is at equal distance from previous prime (84477079) and next prime (84477089).

It is a super-2 number, since 2×844770842 = 14272755442286112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84477089) 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, 51732 + ... + 53339.

It is an arithmetic number, because the mean of its divisors is an integer number (8335712).

Almost surely, 284477084 is an apocalyptic number.

It is an amenable number.

84477084 is an abundant number, since it is smaller than the sum of its proper divisors (115580004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84477084 is a wasteful number, since it uses less digits than its factorization.

84477084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105145 (or 105143 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 84477084 is about 9191.1416048280. The cubic root of 84477084 is about 438.7794756214.

The spelling of 84477084 in words is "eighty-four million, four hundred seventy-seven thousand, eighty-four".

Divisors: 1 2 3 4 6 12 67 134 201 268 402 804 105071 210142 315213 420284 630426 1260852 7039757 14079514 21119271 28159028 42238542 84477084