Search a number
-
+
71303707 = 103692269
BaseRepresentation
bin1000100000000…
…00001000011011
311222011121022001
410100000020123
5121223204312
611024141431
71524033346
oct420001033
9158147261
1071303707
1137281592
121ba67877
1311a07057
14968145d
1563d7057
hex440021b

71303707 has 4 divisors (see below), whose sum is σ = 71996080. Its totient is φ = 70611336.

The previous prime is 71303669. The next prime is 71303711. The reversal of 71303707 is 70730317.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71303707 - 27 = 71303579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71303717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346032 + ... + 346237.

It is an arithmetic number, because the mean of its divisors is an integer number (17999020).

Almost surely, 271303707 is an apocalyptic number.

71303707 is a deficient number, since it is larger than the sum of its proper divisors (692373).

71303707 is a wasteful number, since it uses less digits than its factorization.

71303707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692372.

The product of its (nonzero) digits is 3087, while the sum is 28.

The square root of 71303707 is about 8444.1522369034. The cubic root of 71303707 is about 414.6713554294.

It can be divided in two parts, 71303 and 707, that added together give a triangular number (72010 = T379).

The spelling of 71303707 in words is "seventy-one million, three hundred three thousand, seven hundred seven".

Divisors: 1 103 692269 71303707