Search a number
-
+
180340307 = 760742443
BaseRepresentation
bin10101011111111…
…00011001010011
3110120100020101122
422233330121103
5332131342212
625521152455
74316603330
oct1257743123
9416306348
10180340307
1192885384
125048b72b
132b492a54
1419d45987
1510c74272
hexabfc653

180340307 has 8 divisors (see below), whose sum is σ = 206447616. Its totient is φ = 154319112.

The previous prime is 180340297. The next prime is 180340319. The reversal of 180340307 is 703043081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 180340307 - 26 = 180340243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180340327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16973 + ... + 25470.

It is an arithmetic number, because the mean of its divisors is an integer number (25805952).

Almost surely, 2180340307 is an apocalyptic number.

180340307 is a deficient number, since it is larger than the sum of its proper divisors (26107309).

180340307 is an equidigital number, since it uses as much as digits as its factorization.

180340307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43057.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 180340307 is about 13429.0843693827. The cubic root of 180340307 is about 564.9772168222.

Adding to 180340307 its reverse (703043081), we get a palindrome (883383388).

The spelling of 180340307 in words is "one hundred eighty million, three hundred forty thousand, three hundred seven".

Divisors: 1 7 607 4249 42443 297101 25762901 180340307