Search a number
170224 = 2410639
BaseRepresentation
bin101001100011110000
322122111121
4221203300
520421344
63352024
71306165
oct514360
9278447
10170224
1110698a
1282614
135c632
144606c
1535684
hex298f0

170224 has 10 divisors (see below), whose sum is σ = 329840. Its totient is φ = 85104.

The previous prime is 170213. The next prime is 170227. The reversal of 170224 is 422071.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 10639 = 170224 / (1 + 7 + 0 + 2 + 2 + 4).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 170198 and 170207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170227) by changing a digit.

170224 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5304 + ... + 5335.

It is an arithmetic number, because the mean of its divisors is an integer number (32984).

2170224 is an apocalyptic number.

It is an amenable number.

170224 is a deficient number, since it is larger than the sum of its proper divisors (159616).

170224 is a wasteful number, since it uses less digits than its factorization.

170224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10647 (or 10641 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 170224 is about 412.5821130393. The cubic root of 170224 is about 55.4209029368.

Adding to 170224 its reverse (422071), we get a palindrome (592295).

It can be divided in two parts, 1 and 70224, that added together give a square (70225 = 2652).

The spelling of 170224 in words is "one hundred seventy thousand, two hundred twenty-four", and thus it is an iban number.

Divisors: 1 2 4 8 16 10639 21278 42556 85112 170224