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180414109 = 374876057
BaseRepresentation
bin10101100000011…
…10011010011101
3110120110222122001
422300032122131
5332141222414
625522522301
74320331441
oct1260163235
9416428561
10180414109
1192925877
1250506391
132b4ba515
1419d64821
1510c8b074
hexac0e69d

180414109 has 4 divisors (see below), whose sum is σ = 185290204. Its totient is φ = 175538016.

The previous prime is 180414097. The next prime is 180414119. The reversal of 180414109 is 901414081.

180414109 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.

It can be written as a sum of positive squares in 2 ways, for example, as 125328025 + 55086084 = 11195^2 + 7422^2 .

It is a cyclic number.

It is not a de Polignac number, because 180414109 - 213 = 180405917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180414119) 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, 2437992 + ... + 2438065.

It is an arithmetic number, because the mean of its divisors is an integer number (46322551).

Almost surely, 2180414109 is an apocalyptic number.

It is an amenable number.

180414109 is a deficient number, since it is larger than the sum of its proper divisors (4876095).

180414109 is an equidigital number, since it uses as much as digits as its factorization.

180414109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4876094.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 180414109 is about 13431.8319301576. The cubic root of 180414109 is about 565.0542762487.

Subtracting from 180414109 its sum of digits (28), we obtain a palindrome (180414081).

The spelling of 180414109 in words is "one hundred eighty million, four hundred fourteen thousand, one hundred nine".

Divisors: 1 37 4876057 180414109