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171034142 = 2179643743
BaseRepresentation
bin10100011000111…
…00011000011110
3102220211102201212
422030130120132
5322241043032
624545504422
74144523546
oct1214343036
9386742655
10171034142
11885a9534
1249342112
1329584c46
1418a02326
1510036bb2
hexa31c61e

171034142 has 16 divisors (see below), whose sum is σ = 258733440. Its totient is φ = 84792792.

The previous prime is 171034133. The next prime is 171034147. The reversal of 171034142 is 241430171.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171034147) 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 7 ways as a sum of consecutive naturals, for example, 229823 + ... + 230565.

It is an arithmetic number, because the mean of its divisors is an integer number (16170840).

Almost surely, 2171034142 is an apocalyptic number.

171034142 is a deficient number, since it is larger than the sum of its proper divisors (87699298).

171034142 is a wasteful number, since it uses less digits than its factorization.

171034142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 171034142 is about 13078.0022174643. The cubic root of 171034142 is about 555.0868484061.

The spelling of 171034142 in words is "one hundred seventy-one million, thirty-four thousand, one hundred forty-two".

Divisors: 1 2 179 358 643 743 1286 1486 115097 132997 230194 265994 477749 955498 85517071 171034142