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171493014 = 237112316139
BaseRepresentation
bin10100011100011…
…00011010010110
3102221200202012010
422032030122112
5322400234024
625003405050
74151444430
oct1216143226
9387622163
10171493014
1188892270
1249523786
13296b5a74
1418ac1650
15100c7b29
hexa38c696

171493014 has 64 divisors (see below), whose sum is σ = 446238720. Its totient is φ = 42604320.

The previous prime is 171492983. The next prime is 171493019. The reversal of 171493014 is 410394171.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171493019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2557 + ... + 18695.

It is an arithmetic number, because the mean of its divisors is an integer number (6972480).

Almost surely, 2171493014 is an apocalyptic number.

171493014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 171493014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223119360).

171493014 is an abundant number, since it is smaller than the sum of its proper divisors (274745706).

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

171493014 is a wasteful number, since it uses less digits than its factorization.

171493014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16185.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 171493014 is about 13095.5341242731. The cubic root of 171493014 is about 555.5828241519.

The spelling of 171493014 in words is "one hundred seventy-one million, four hundred ninety-three thousand, fourteen".

Divisors: 1 2 3 6 7 11 14 21 22 23 33 42 46 66 69 77 138 154 161 231 253 322 462 483 506 759 966 1518 1771 3542 5313 10626 16139 32278 48417 96834 112973 177529 225946 338919 355058 371197 532587 677838 742394 1065174 1113591 1242703 2227182 2485406 2598379 3728109 4083167 5196758 7456218 7795137 8166334 12249501 15590274 24499002 28582169 57164338 85746507 171493014