Search a number
-
+
71067996 = 22333121227
BaseRepresentation
bin1000011110001…
…10100101011100
311221201121222000
410033012211130
5121143133441
611015122300
71522032216
oct417064534
9157647860
1071067996
113713048a
121b973390
131195398c
14961d5b6
15638c2b6
hex43c695c

71067996 has 48 divisors (see below), whose sum is σ = 190202880. Its totient is φ = 22924080.

The previous prime is 71067979. The next prime is 71068001. The reversal of 71067996 is 69976017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7266 + ... + 13961.

It is an arithmetic number, because the mean of its divisors is an integer number (3962560).

Almost surely, 271067996 is an apocalyptic number.

It is an amenable number.

71067996 is an abundant number, since it is smaller than the sum of its proper divisors (119134884).

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

71067996 is a wasteful number, since it uses less digits than its factorization.

71067996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21271 (or 21263 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 71067996 is about 8430.1836278933. The cubic root of 71067996 is about 414.2139201110.

The spelling of 71067996 in words is "seventy-one million, sixty-seven thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 27 31 36 54 62 93 108 124 186 279 372 558 837 1116 1674 3348 21227 42454 63681 84908 127362 191043 254724 382086 573129 658037 764172 1146258 1316074 1974111 2292516 2632148 3948222 5922333 7896444 11844666 17766999 23689332 35533998 71067996