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171428082 = 2374786843
BaseRepresentation
bin10100011011111…
…00100011110010
3102221120110010020
422031330203302
5322341144312
625002144310
74151054220
oct1215744362
9387513106
10171428082
1188848501
12494b2096
1329692347
1418aa5b10
15100b378c
hexa37c8f2

171428082 has 32 divisors (see below), whose sum is σ = 400177152. Its totient is φ = 47936784.

The previous prime is 171428071. The next prime is 171428083. The reversal of 171428082 is 280824171.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (171428083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41448 + ... + 45395.

It is an arithmetic number, because the mean of its divisors is an integer number (12505536).

Almost surely, 2171428082 is an apocalyptic number.

171428082 is an abundant number, since it is smaller than the sum of its proper divisors (228749070).

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

171428082 is a wasteful number, since it uses less digits than its factorization.

171428082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86902.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 171428082 is about 13093.0547237839. The cubic root of 171428082 is about 555.5126956239.

The spelling of 171428082 in words is "one hundred seventy-one million, four hundred twenty-eight thousand, eighty-two".

Divisors: 1 2 3 6 7 14 21 42 47 94 141 282 329 658 987 1974 86843 173686 260529 521058 607901 1215802 1823703 3647406 4081621 8163242 12244863 24489726 28571347 57142694 85714041 171428082