Search a number
-
+
180248030 = 2534951647
BaseRepresentation
bin10101011111001…
…01110111011110
3110120011112210222
422233211313132
5332120414110
625515201342
74316040314
oct1257456736
9416145728
10180248030
1192822016
1250446252
132b45ca51
1419d200b4
1510c56c55
hexabe5dde

180248030 has 16 divisors (see below), whose sum is σ = 325382400. Its totient is φ = 71891232.

The previous prime is 180248017. The next prime is 180248063. The reversal of 180248030 is 30842081.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22334 + ... + 29313.

It is an arithmetic number, because the mean of its divisors is an integer number (20336400).

Almost surely, 2180248030 is an apocalyptic number.

180248030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

180248030 is a deficient number, since it is larger than the sum of its proper divisors (145134370).

180248030 is a wasteful number, since it uses less digits than its factorization.

180248030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52003.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 180248030 is about 13425.6482152632. The cubic root of 180248030 is about 564.8808373750.

The spelling of 180248030 in words is "one hundred eighty million, two hundred forty-eight thousand, thirty".

Divisors: 1 2 5 10 349 698 1745 3490 51647 103294 258235 516470 18024803 36049606 90124015 180248030