Search a number
-
+
80404109 = 434014663
BaseRepresentation
bin1001100101011…
…01111010001101
312121021221200222
410302231322031
5131040412414
611551201125
71664265212
oct462557215
9177257628
1080404109
1141427885
1222b161a5
13138722c6
14a96db09
1570d368e
hex4cade8d

80404109 has 8 divisors (see below), whose sum is σ = 82496832. Its totient is φ = 78321600.

The previous prime is 80404091. The next prime is 80404139. The reversal of 80404109 is 90140408.

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 80404109 - 28 = 80403853 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 (80404139) 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, 14912 + ... + 19574.

It is an arithmetic number, because the mean of its divisors is an integer number (10312104).

Almost surely, 280404109 is an apocalyptic number.

It is an amenable number.

80404109 is a deficient number, since it is larger than the sum of its proper divisors (2092723).

80404109 is a wasteful number, since it uses less digits than its factorization.

80404109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5107.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 80404109 is about 8966.8338336338. The cubic root of 80404109 is about 431.6112418383.

The spelling of 80404109 in words is "eighty million, four hundred four thousand, one hundred nine".

Divisors: 1 43 401 4663 17243 200509 1869863 80404109