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172253 = 281613
BaseRepresentation
bin101010000011011101
322202021202
4222003131
521003003
63405245
71315124
oct520335
9282252
10172253
11108464
1283825
1360533
1446abb
1536088
hex2a0dd

172253 has 4 divisors (see below), whose sum is σ = 173148. Its totient is φ = 171360.

The previous prime is 172243. The next prime is 172259. The reversal of 172253 is 352271.

172253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 41209 + 131044 = 203^2 + 362^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-172253 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172259) 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, 26 + ... + 587.

It is an arithmetic number, because the mean of its divisors is an integer number (43287).

2172253 is an apocalyptic number.

It is an amenable number.

172253 is a deficient number, since it is larger than the sum of its proper divisors (895).

172253 is an equidigital number, since it uses as much as digits as its factorization.

172253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894.

The product of its digits is 420, while the sum is 20.

The square root of 172253 is about 415.0337335687. The cubic root of 172253 is about 55.6402319099.

The spelling of 172253 in words is "one hundred seventy-two thousand, two hundred fifty-three".

Divisors: 1 281 613 172253