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71054433 = 3219415523
BaseRepresentation
bin1000011110000…
…11010001100001
311221200221100200
410033003101201
5121142220213
611014535413
71521644532
oct417032141
9157627320
1071054433
113712127a
121b967569
131194a758
149618689
156388273
hex43c3461

71054433 has 12 divisors (see below), whose sum is σ = 108036240. Its totient is φ = 44876376.

The previous prime is 71054413. The next prime is 71054479. The reversal of 71054433 is 33445017.

It is not a de Polignac number, because 71054433 - 26 = 71054369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71054397 and 71054406.

It is not an unprimeable number, because it can be changed into a prime (71054413) 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 11 ways as a sum of consecutive naturals, for example, 207591 + ... + 207932.

It is an arithmetic number, because the mean of its divisors is an integer number (9003020).

Almost surely, 271054433 is an apocalyptic number.

It is an amenable number.

71054433 is a deficient number, since it is larger than the sum of its proper divisors (36981807).

71054433 is a wasteful number, since it uses less digits than its factorization.

71054433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415548 (or 415545 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 71054433 is about 8429.3791586332. The cubic root of 71054433 is about 414.1875681610.

The spelling of 71054433 in words is "seventy-one million, fifty-four thousand, four hundred thirty-three".

Divisors: 1 3 9 19 57 171 415523 1246569 3739707 7894937 23684811 71054433