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71484337 = 174204961
BaseRepresentation
bin1000100001011…
…00001110110001
311222111210002001
410100230032301
5121244444322
611032054001
71525415101
oct420541661
9158453061
1071484337
1137395271
121bb34301
1311a6b332
1496cb201
156420827
hex442c3b1

71484337 has 4 divisors (see below), whose sum is σ = 75689316. Its totient is φ = 67279360.

The previous prime is 71484323. The next prime is 71484349. The reversal of 71484337 is 73348417.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28398241 + 43086096 = 5329^2 + 6564^2 .

It is a cyclic number.

It is not a de Polignac number, because 71484337 - 219 = 70960049 is a prime.

It is a super-2 number, since 2×714843372 = 10220020872659138, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71484296 and 71484305.

It is not an unprimeable number, because it can be changed into a prime (71484317) by changing a digit.

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, 2102464 + ... + 2102497.

It is an arithmetic number, because the mean of its divisors is an integer number (18922329).

Almost surely, 271484337 is an apocalyptic number.

It is an amenable number.

71484337 is a deficient number, since it is larger than the sum of its proper divisors (4204979).

71484337 is a wasteful number, since it uses less digits than its factorization.

71484337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204978.

The product of its digits is 56448, while the sum is 37.

The square root of 71484337 is about 8454.8410393100. The cubic root of 71484337 is about 415.0212153474.

The spelling of 71484337 in words is "seventy-one million, four hundred eighty-four thousand, three hundred thirty-seven".

Divisors: 1 17 4204961 71484337