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172141 = 792179
BaseRepresentation
bin101010000001101101
322202010121
4222001231
521002031
63404541
71314604
oct520155
9282117
10172141
11108372
1283751
1360478
1446a3b
1536011
hex2a06d

172141 has 4 divisors (see below), whose sum is σ = 174400. Its totient is φ = 169884.

The previous prime is 172127. The next prime is 172147. The reversal of 172141 is 141271.

It can be divided in two parts, 172 and 141, that added together give a palindrome (313).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141271 = 1310867.

It is a cyclic number.

It is not a de Polignac number, because 172141 - 29 = 171629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011 + ... + 1168.

It is an arithmetic number, because the mean of its divisors is an integer number (43600).

2172141 is an apocalyptic number.

It is an amenable number.

172141 is a deficient number, since it is larger than the sum of its proper divisors (2259).

172141 is an equidigital number, since it uses as much as digits as its factorization.

172141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258.

The product of its digits is 56, while the sum is 16.

The square root of 172141 is about 414.8987828375. The cubic root of 172141 is about 55.6281700840.

The spelling of 172141 in words is "one hundred seventy-two thousand, one hundred forty-one", and thus it is an iban number.

Divisors: 1 79 2179 172141