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171438714 = 2334636857
BaseRepresentation
bin10100011011111…
…11001001111010
3102221120222201000
422031333021322
5322342014324
625002305430
74151130216
oct1215771172
9387528630
10171438714
1188855497
12494b8276
1329697135
1418aa9946
15100b69c9
hexa37f27a

171438714 has 32 divisors (see below), whose sum is σ = 381853440. Its totient is φ = 57014496.

The previous prime is 171438703. The next prime is 171438733. The reversal of 171438714 is 417834171.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21574 + ... + 28430.

It is an arithmetic number, because the mean of its divisors is an integer number (11932920).

Almost surely, 2171438714 is an apocalyptic number.

171438714 is an abundant number, since it is smaller than the sum of its proper divisors (210414726).

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

171438714 is a wasteful number, since it uses less digits than its factorization.

171438714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7331 (or 7325 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 171438714 is about 13093.4607342750. The cubic root of 171438714 is about 555.5241797184.

The spelling of 171438714 in words is "one hundred seventy-one million, four hundred thirty-eight thousand, seven hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 463 926 1389 2778 4167 6857 8334 12501 13714 20571 25002 41142 61713 123426 185139 370278 3174791 6349582 9524373 19048746 28573119 57146238 85719357 171438714