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71030378 = 282942841
BaseRepresentation
bin1000011101111…
…01011001101010
311221122201100202
410032331121222
5121140433003
611014232202
71521514436
oct416753152
9157581322
1071030378
11371051a1
121b955662
131193c813
14960d9c6
156381088
hex43bd66a

71030378 has 8 divisors (see below), whose sum is σ = 106676580. Its totient is φ = 35471520.

The previous prime is 71030363. The next prime is 71030381. The reversal of 71030378 is 87303017.

It can be written as a sum of positive squares in 2 ways, for example, as 66308449 + 4721929 = 8143^2 + 2173^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 71030378.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19763 + ... + 23078.

Almost surely, 271030378 is an apocalyptic number.

71030378 is a deficient number, since it is larger than the sum of its proper divisors (35646202).

71030378 is a wasteful number, since it uses less digits than its factorization.

71030378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43672.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 71030378 is about 8427.9521830632. The cubic root of 71030378 is about 414.1408227478.

The spelling of 71030378 in words is "seventy-one million, thirty thousand, three hundred seventy-eight".

Divisors: 1 2 829 1658 42841 85682 35515189 71030378