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71774313 = 3134144887
BaseRepresentation
bin1000100011100…
…11000001101001
312000001111211220
410101303001221
5121333234223
611042212253
71531033362
oct421630151
9160044756
1071774313
1137573116
1220054089
1311b40310
149764b69
15647b6e3
hex4473069

71774313 has 16 divisors (see below), whose sum is σ = 105576576. Its totient is φ = 43090560.

The previous prime is 71774303. The next prime is 71774321. The reversal of 71774313 is 31347717.

It is not a de Polignac number, because 71774313 - 26 = 71774249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71774303) 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 15 ways as a sum of consecutive naturals, for example, 20845 + ... + 24042.

It is an arithmetic number, because the mean of its divisors is an integer number (6598536).

Almost surely, 271774313 is an apocalyptic number.

It is an amenable number.

71774313 is a deficient number, since it is larger than the sum of its proper divisors (33802263).

71774313 is a wasteful number, since it uses less digits than its factorization.

71774313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44944.

The product of its digits is 12348, while the sum is 33.

The square root of 71774313 is about 8471.9722025040. The cubic root of 71774313 is about 415.5816356890.

The spelling of 71774313 in words is "seventy-one million, seven hundred seventy-four thousand, three hundred thirteen".

Divisors: 1 3 13 39 41 123 533 1599 44887 134661 583531 1750593 1840367 5521101 23924771 71774313