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71349103 = 710192729
BaseRepresentation
bin1000100000010…
…11001101101111
311222020220120101
410100023031233
5121231132403
611025131531
71524312610
oct420131557
9158226511
1071349103
1137302701
121ba89ba7
1311a21907
149693c07
1563e571d
hex440b36f

71349103 has 4 divisors (see below), whose sum is σ = 81541840. Its totient is φ = 61156368.

The previous prime is 71349101. The next prime is 71349133. The reversal of 71349103 is 30194317.

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

It is not a de Polignac number, because 71349103 - 21 = 71349101 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 (71349101) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5096358 + ... + 5096371.

It is an arithmetic number, because the mean of its divisors is an integer number (20385460).

Almost surely, 271349103 is an apocalyptic number.

71349103 is a deficient number, since it is larger than the sum of its proper divisors (10192737).

71349103 is a wasteful number, since it uses less digits than its factorization.

71349103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10192736.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 71349103 is about 8446.8398232712. The cubic root of 71349103 is about 414.7593378927.

The spelling of 71349103 in words is "seventy-one million, three hundred forty-nine thousand, one hundred three".

Divisors: 1 7 10192729 71349103