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71349232 = 2440910903
BaseRepresentation
bin1000100000010…
…11001111110000
311222020220202011
410100023033300
5121231133412
611025132304
71524313153
oct420131760
9158226664
1071349232
1137302809
121ba8a094
1311a219a6
149693c9a
1563e57a7
hex440b3f0

71349232 has 20 divisors (see below), whose sum is σ = 138589840. Its totient is φ = 35584128.

The previous prime is 71349203. The next prime is 71349269. The reversal of 71349232 is 23294317.

It is a junction number, because it is equal to n+sod(n) for n = 71349194 and 71349203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093 + ... + 11995.

It is an arithmetic number, because the mean of its divisors is an integer number (6929492).

Almost surely, 271349232 is an apocalyptic number.

It is an amenable number.

71349232 is a deficient number, since it is larger than the sum of its proper divisors (67240608).

71349232 is a wasteful number, since it uses less digits than its factorization.

71349232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11320 (or 11314 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 71349232 is about 8446.8474592596. The cubic root of 71349232 is about 414.7595878558.

The spelling of 71349232 in words is "seventy-one million, three hundred forty-nine thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 409 818 1636 3272 6544 10903 21806 43612 87224 174448 4459327 8918654 17837308 35674616 71349232