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71120084 = 22714917047
BaseRepresentation
bin1000011110100…
…11010011010100
311221211021102012
410033103103110
5121201320314
611020203352
71522340120
oct417232324
9157737365
1071120084
1137166632
121b999558
13119715b9
149634580
15639c93e
hex43d34d4

71120084 has 24 divisors (see below), whose sum is σ = 143203200. Its totient is φ = 30273696.

The previous prime is 71120069. The next prime is 71120087. The reversal of 71120084 is 48002117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71120087) 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, 4352 + ... + 12695.

It is an arithmetic number, because the mean of its divisors is an integer number (5966800).

Almost surely, 271120084 is an apocalyptic number.

It is an amenable number.

71120084 is an abundant number, since it is smaller than the sum of its proper divisors (72083116).

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

71120084 is a wasteful number, since it uses less digits than its factorization.

71120084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17207 (or 17205 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 71120084 is about 8433.2724371978. The cubic root of 71120084 is about 414.3150922602.

The spelling of 71120084 in words is "seventy-one million, one hundred twenty thousand, eighty-four".

Divisors: 1 2 4 7 14 28 149 298 596 1043 2086 4172 17047 34094 68188 119329 238658 477316 2540003 5080006 10160012 17780021 35560042 71120084