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71003814 = 2373745691
BaseRepresentation
bin1000011101101…
…10111010100110
311221121100220220
410032312322212
5121134110224
611013505210
71521344130
oct416667246
9157540826
1071003814
1137097242
121b942206
13119306bb
149604050
156378279
hex43b6ea6

71003814 has 32 divisors (see below), whose sum is σ = 166684416. Its totient is φ = 19738080.

The previous prime is 71003813. The next prime is 71003819. The reversal of 71003814 is 41830017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71003813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21292 + ... + 24399.

It is an arithmetic number, because the mean of its divisors is an integer number (5208888).

Almost surely, 271003814 is an apocalyptic number.

71003814 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

71003814 is an abundant number, since it is smaller than the sum of its proper divisors (95680602).

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

71003814 is a wasteful number, since it uses less digits than its factorization.

71003814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45740.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 71003814 is about 8426.3760893993. The cubic root of 71003814 is about 414.0891894006.

It can be divided in two parts, 71003 and 814, that added together give a palindrome (71817).

The spelling of 71003814 in words is "seventy-one million, three thousand, eight hundred fourteen".

Divisors: 1 2 3 6 7 14 21 37 42 74 111 222 259 518 777 1554 45691 91382 137073 274146 319837 639674 959511 1690567 1919022 3381134 5071701 10143402 11833969 23667938 35501907 71003814