Search a number
-
+
1729030 = 25434021
BaseRepresentation
bin110100110001000000110
310020211210011
412212020012
5420312110
6101020434
720460622
oct6461006
93224704
101729030
11a81056
126b471a
13486cc4
14330182
1524248a
hex1a6206

1729030 has 16 divisors (see below), whose sum is σ = 3185424. Its totient is φ = 675360.

The previous prime is 1729001. The next prime is 1729033. The reversal of 1729030 is 309271.

It is a junction number, because it is equal to n+sod(n) for n = 1728992 and 1729010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1729033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1581 + ... + 2440.

It is an arithmetic number, because the mean of its divisors is an integer number (199089).

21729030 is an apocalyptic number.

1729030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1729030 is a deficient number, since it is larger than the sum of its proper divisors (1456394).

1729030 is a wasteful number, since it uses less digits than its factorization.

1729030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 1729030 is about 1314.9258534229. The cubic root of 1729030 is about 120.0238378569.

The spelling of 1729030 in words is "one million, seven hundred twenty-nine thousand, thirty".

Divisors: 1 2 5 10 43 86 215 430 4021 8042 20105 40210 172903 345806 864515 1729030