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71383422 = 23112294723
BaseRepresentation
bin1000100000100…
…11100101111110
311222022122122110
410100103211332
5121233232142
611025554450
71524514635
oct420234576
9158278573
1071383422
1137326470
121baa5a26
1311a34416
1496a251c
15640099c
hex441397e

71383422 has 32 divisors (see below), whose sum is σ = 156458880. Its totient is φ = 21532320.

The previous prime is 71383393. The next prime is 71383423. The reversal of 71383422 is 22438317.

It is a self number, because there is not a number n which added to its sum of digits gives 71383422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71383423) 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 15 ways as a sum of consecutive naturals, for example, 12753 + ... + 17475.

It is an arithmetic number, because the mean of its divisors is an integer number (4889340).

Almost surely, 271383422 is an apocalyptic number.

71383422 is an abundant number, since it is smaller than the sum of its proper divisors (85075458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71383422 is a wasteful number, since it uses less digits than its factorization.

71383422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4968.

The product of its digits is 8064, while the sum is 30.

The square root of 71383422 is about 8448.8710488443. The cubic root of 71383422 is about 414.8258271384.

The spelling of 71383422 in words is "seventy-one million, three hundred eighty-three thousand, four hundred twenty-two".

Divisors: 1 2 3 6 11 22 33 66 229 458 687 1374 2519 4723 5038 7557 9446 14169 15114 28338 51953 103906 155859 311718 1081567 2163134 3244701 6489402 11897237 23794474 35691711 71383422