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81714342 = 23174571753
BaseRepresentation
bin1001101111011…
…01110010100110
312200202112000010
410313231302212
5131404324332
612035231050
72011363143
oct467556246
9180675003
1081714342
1142142216
1223448486
1313c107a8
14abd13ca
1572919cc
hex4dedca6

81714342 has 32 divisors (see below), whose sum is σ = 173519712. Its totient is φ = 25565184.

The previous prime is 81714337. The next prime is 81714403. The reversal of 81714342 is 24341718.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45738 + ... + 47490.

It is an arithmetic number, because the mean of its divisors is an integer number (5422491).

Almost surely, 281714342 is an apocalyptic number.

81714342 is an abundant number, since it is smaller than the sum of its proper divisors (91805370).

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

81714342 is a wasteful number, since it uses less digits than its factorization.

81714342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232.

The product of its digits is 5376, while the sum is 30.

The square root of 81714342 is about 9039.5985530332. The cubic root of 81714342 is about 433.9430754904.

The spelling of 81714342 in words is "eighty-one million, seven hundred fourteen thousand, three hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 457 914 1371 1753 2742 3506 5259 7769 10518 15538 23307 29801 46614 59602 89403 178806 801121 1602242 2403363 4806726 13619057 27238114 40857171 81714342