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171441 = 3243443
BaseRepresentation
bin101001110110110001
322201011200
4221312301
520441231
63401413
71312554
oct516661
9281150
10171441
11107896
1283269
136005a
144669b
1535be6
hex29db1

171441 has 12 divisors (see below), whose sum is σ = 253968. Its totient is φ = 111384.

The previous prime is 171439. The next prime is 171449. The reversal of 171441 is 144171.

It is not a de Polignac number, because 171441 - 21 = 171439 is a prime.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (171449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166 + ... + 608.

It is an arithmetic number, because the mean of its divisors is an integer number (21164).

2171441 is an apocalyptic number.

It is an amenable number.

171441 is a deficient number, since it is larger than the sum of its proper divisors (82527).

171441 is a wasteful number, since it uses less digits than its factorization.

171441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 489 counting only the distinct ones).

The product of its digits is 112, while the sum is 18.

The square root of 171441 is about 414.0543442593. The cubic root of 171441 is about 55.5526648866.

The spelling of 171441 in words is "one hundred seventy-one thousand, four hundred forty-one", and thus it is an iban number.

Divisors: 1 3 9 43 129 387 443 1329 3987 19049 57147 171441