Search a number
-
+
71120293 = 3183131211
BaseRepresentation
bin1000011110100…
…11010110100101
311221211021200221
410033103112211
5121201322133
611020204341
71522340536
oct417232645
9157737627
1071120293
1137166802
121b9996b1
131197171a
14963468d
15639ca2d
hex43d35a5

71120293 has 16 divisors (see below), whose sum is σ = 75220992. Its totient is φ = 67158000.

The previous prime is 71120239. The next prime is 71120297. The reversal of 71120293 is 39202117.

It is a cyclic number.

It is not a de Polignac number, because 71120293 - 213 = 71112101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71120297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336958 + ... + 337168.

It is an arithmetic number, because the mean of its divisors is an integer number (4701312).

Almost surely, 271120293 is an apocalyptic number.

It is an amenable number.

71120293 is a deficient number, since it is larger than the sum of its proper divisors (4100699).

71120293 is a wasteful number, since it uses less digits than its factorization.

71120293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 71120293 is about 8433.2848285825. The cubic root of 71120293 is about 414.3154981079.

The spelling of 71120293 in words is "seventy-one million, one hundred twenty thousand, two hundred ninety-three".

Divisors: 1 31 83 131 211 2573 4061 6541 10873 17513 27641 337063 542903 856871 2294203 71120293