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171141142 = 21731397409
BaseRepresentation
bin10100011001101…
…10100000010110
3102221000212111211
422030312200112
5322303004032
624552052034
74145450524
oct1214664026
9387025454
10171141142
1188671967
124939401a
13295c1863
1418a2d314
1510058747
hexa336816

171141142 has 32 divisors (see below), whose sum is σ = 281975040. Its totient is φ = 77552640.

The previous prime is 171141133. The next prime is 171141143. The reversal of 171141142 is 241141171.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171141143) 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, 418234 + ... + 418642.

It is an arithmetic number, because the mean of its divisors is an integer number (8811720).

Almost surely, 2171141142 is an apocalyptic number.

171141142 is a deficient number, since it is larger than the sum of its proper divisors (110833898).

171141142 is a wasteful number, since it uses less digits than its factorization.

171141142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its digits is 224, while the sum is 22.

The square root of 171141142 is about 13082.0924167352. The cubic root of 171141142 is about 555.2025795121.

The spelling of 171141142 in words is "one hundred seventy-one million, one hundred forty-one thousand, one hundred forty-two".

Divisors: 1 2 17 31 34 62 397 409 527 794 818 1054 6749 6953 12307 12679 13498 13906 24614 25358 162373 209219 215543 324746 418438 431086 2760341 5033563 5520682 10067126 85570571 171141142