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34312671 = 3213072917
BaseRepresentation
bin1000001011100…
…1000111011111
32101120021010200
42002321013133
532241001141
63223234543
7564436641
oct202710737
971507120
1034312671
1118406688
12b5a8a53
137154c73
1447b2891
15302bab6
hex20b91df

34312671 has 12 divisors (see below), whose sum is σ = 49617672. Its totient is φ = 22849776.

The previous prime is 34312669. The next prime is 34312687. The reversal of 34312671 is 17621343.

It is not a de Polignac number, because 34312671 - 21 = 34312669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34312601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10305 + ... + 13221.

It is an arithmetic number, because the mean of its divisors is an integer number (4134806).

Almost surely, 234312671 is an apocalyptic number.

34312671 is a deficient number, since it is larger than the sum of its proper divisors (15305001).

34312671 is a wasteful number, since it uses less digits than its factorization.

34312671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230 (or 4227 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 34312671 is about 5857.7018531161. The cubic root of 34312671 is about 324.9512226599.

The spelling of 34312671 in words is "thirty-four million, three hundred twelve thousand, six hundred seventy-one".

Divisors: 1 3 9 1307 2917 3921 8751 11763 26253 3812519 11437557 34312671