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71016730 = 257101673
BaseRepresentation
bin1000011101110…
…10000100011010
311221122000122021
410032322010122
5121140013410
611014045054
71521426601
oct416720432
9157560567
1071016730
11370a5a14
121b94978a
1311936545
149608a38
15637beda
hex43ba11a

71016730 has 8 divisors (see below), whose sum is σ = 127830132. Its totient is φ = 28406688.

The previous prime is 71016721. The next prime is 71016731. The reversal of 71016730 is 3761017.

It can be written as a sum of positive squares in 2 ways, for example, as 71014329 + 2401 = 8427^2 + 49^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 71016695 and 71016704.

It is not an unprimeable number, because it can be changed into a prime (71016731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3550827 + ... + 3550846.

Almost surely, 271016730 is an apocalyptic number.

71016730 is a deficient number, since it is larger than the sum of its proper divisors (56813402).

71016730 is a wasteful number, since it uses less digits than its factorization.

71016730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7101680.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 71016730 is about 8427.1424575594. The cubic root of 71016730 is about 414.1142962758.

Adding to 71016730 its reverse (3761017), we get a palindrome (74777747).

It can be divided in two parts, 7101 and 6730, that added together give a palindrome (13831).

The spelling of 71016730 in words is "seventy-one million, sixteen thousand, seven hundred thirty".

Divisors: 1 2 5 10 7101673 14203346 35508365 71016730