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71322070 = 2549914293
BaseRepresentation
bin1000100000001…
…00100111010110
311222012112111011
410100010213112
5121224301240
611024402434
71524141031
oct420044726
9158175434
1071322070
1137294366
121ba7641a
1311a12511
149688018
1563dc6ea
hex44049d6

71322070 has 16 divisors (see below), whose sum is σ = 128646000. Its totient is φ = 28469664.

The previous prime is 71322061. The next prime is 71322071. The reversal of 71322070 is 7022317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71322071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2157 + ... + 12136.

It is an arithmetic number, because the mean of its divisors is an integer number (8040375).

Almost surely, 271322070 is an apocalyptic number.

71322070 is a deficient number, since it is larger than the sum of its proper divisors (57323930).

71322070 is a wasteful number, since it uses less digits than its factorization.

71322070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14799.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 71322070 is about 8445.2394874272. The cubic root of 71322070 is about 414.7069494484.

Adding to 71322070 its reverse (7022317), we get a palindrome (78344387).

The spelling of 71322070 in words is "seventy-one million, three hundred twenty-two thousand, seventy".

Divisors: 1 2 5 10 499 998 2495 4990 14293 28586 71465 142930 7132207 14264414 35661035 71322070