Search a number
-
+
71112286 = 2741229541
BaseRepresentation
bin1000011110100…
…01011001011110
311221210212201101
410033101121132
5121201043121
611020103314
71522305310
oct417213136
9157725641
1071112286
1137160793
121b994b3a
131196ab9b
1496317b0
15639a491
hex43d165e

71112286 has 32 divisors (see below), whose sum is σ = 125657280. Its totient is φ = 29548800.

The previous prime is 71112281. The next prime is 71112289. The reversal of 71112286 is 68221117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71112281) 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, 131176 + ... + 131716.

It is an arithmetic number, because the mean of its divisors is an integer number (3926790).

Almost surely, 271112286 is an apocalyptic number.

71112286 is a deficient number, since it is larger than the sum of its proper divisors (54544994).

71112286 is a wasteful number, since it uses less digits than its factorization.

71112286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820.

The product of its digits is 1344, while the sum is 28.

The square root of 71112286 is about 8432.8100891696. The cubic root of 71112286 is about 414.2999491060.

The spelling of 71112286 in words is "seventy-one million, one hundred twelve thousand, two hundred eighty-six".

Divisors: 1 2 7 14 41 82 229 287 458 541 574 1082 1603 3206 3787 7574 9389 18778 22181 44362 65723 123889 131446 155267 247778 310534 867223 1734446 5079449 10158898 35556143 71112286