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71020002 = 2311836667
BaseRepresentation
bin1000011101110…
…10110111100010
311221122012010110
410032322313202
5121140120002
611014112150
71521442254
oct416726742
9157565113
1071020002
11370a8419
121b94b656
1311937b91
149609cd4
15637ce6c
hex43bade2

71020002 has 8 divisors (see below), whose sum is σ = 142040016. Its totient is φ = 23673332.

The previous prime is 71019997. The next prime is 71020007. The reversal of 71020002 is 20002017.

It is an interprime number because it is at equal distance from previous prime (71019997) and next prime (71020007).

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

71020002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 71020002.

It is not an unprimeable number, because it can be changed into a prime (71020007) 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, 5918328 + ... + 5918339.

It is an arithmetic number, because the mean of its divisors is an integer number (17755002).

Almost surely, 271020002 is an apocalyptic number.

71020002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71020002 is a wasteful number, since it uses less digits than its factorization.

71020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11836672.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 71020002 is about 8427.3365899316. The cubic root of 71020002 is about 414.1206560973.

Adding to 71020002 its reverse (20002017), we get a palindrome (91022019).

The spelling of 71020002 in words is "seventy-one million, twenty thousand, two".

Divisors: 1 2 3 6 11836667 23673334 35510001 71020002