Search a number
-
+
71330319 = 3210517541
BaseRepresentation
bin1000100000001…
…10101000001111
311222012221210200
410100012220033
5121230032234
611024504543
71524204054
oct420065017
9158187720
1071330319
113729a585
121ba7b153
1311a161b8
14968b02b
1563ded99
hex4406a0f

71330319 has 12 divisors (see below), whose sum is σ = 103144392. Its totient is φ = 47502000.

The previous prime is 71330299. The next prime is 71330321. The reversal of 71330319 is 91303317.

It is not a de Polignac number, because 71330319 - 212 = 71326223 is a prime.

It is a super-2 number, since 2×713303192 = 10176028817283522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 71330292 and 71330301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71330219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5689 + ... + 13229.

It is an arithmetic number, because the mean of its divisors is an integer number (8595366).

Almost surely, 271330319 is an apocalyptic number.

71330319 is a deficient number, since it is larger than the sum of its proper divisors (31814073).

71330319 is a wasteful number, since it uses less digits than its factorization.

71330319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8598 (or 8595 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 27.

The square root of 71330319 is about 8445.7278549572. The cubic root of 71330319 is about 414.7229369530.

The spelling of 71330319 in words is "seventy-one million, three hundred thirty thousand, three hundred nineteen".

Divisors: 1 3 9 1051 3153 7541 9459 22623 67869 7925591 23776773 71330319