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71002002 = 2311833667
BaseRepresentation
bin1000011101101…
…10011110010010
311221121021102210
410032312132102
5121134031002
611013452550
71521335631
oct416663622
9157537383
1071002002
1137095945
121b941156
131192c926
149603518
15637796c
hex43b6792

71002002 has 8 divisors (see below), whose sum is σ = 142004016. Its totient is φ = 23667332.

The previous prime is 71001941. The next prime is 71002003. The reversal of 71002002 is 20020017.

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

71002002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (71002003) 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, 5916828 + ... + 5916839.

It is an arithmetic number, because the mean of its divisors is an integer number (17750502).

Almost surely, 271002002 is an apocalyptic number.

71002002 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.

71002002 is a wasteful number, since it uses less digits than its factorization.

71002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11833672.

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

The square root of 71002002 is about 8426.2685691829. The cubic root of 71002002 is about 414.0856668856.

Adding to 71002002 its reverse (20020017), we get a palindrome (91022019).

The spelling of 71002002 in words is "seventy-one million, two thousand, two".

Divisors: 1 2 3 6 11833667 23667334 35501001 71002002