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71144096 = 252223253
BaseRepresentation
bin1000011110110…
…01001010100000
311221212111100112
410033121022200
5121203102341
611020510452
71522500122
oct417311240
9157774315
1071144096
1137182681
121b9ab428
131197c4ca
14963d212
1563a4aeb
hex43d92a0

71144096 has 12 divisors (see below), whose sum is σ = 140065002. Its totient is φ = 35572032.

The previous prime is 71144093. The next prime is 71144111. The reversal of 71144096 is 69044117.

It can be written as a sum of positive squares in only one way, i.e., 67831696 + 3312400 = 8236^2 + 1820^2 .

It is a super-2 number, since 2×711440962 = 10122964791314432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 2223253 = 71144096 / (7 + 1 + 1 + 4 + 4 + 0 + 9 + 6).

It is not an unprimeable number, because it can be changed into a prime (71144093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111595 + ... + 1111658.

Almost surely, 271144096 is an apocalyptic number.

It is an amenable number.

71144096 is a deficient number, since it is larger than the sum of its proper divisors (68920906).

71144096 is a wasteful number, since it uses less digits than its factorization.

71144096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223263 (or 2223255 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 71144096 is about 8434.6959636966. The cubic root of 71144096 is about 414.3617148831.

The spelling of 71144096 in words is "seventy-one million, one hundred forty-four thousand, ninety-six".

Divisors: 1 2 4 8 16 32 2223253 4446506 8893012 17786024 35572048 71144096