Search a number
-
+
80209134 = 2324456063
BaseRepresentation
bin1001100011111…
…10010011101110
312120221001020200
410301332103232
5131013143014
611543054330
71662523605
oct461762356
9176831220
1080209134
1141304345
1222a413a6
1313804635
14a91ca3c
157095a09
hex4c7e4ee

80209134 has 12 divisors (see below), whose sum is σ = 173786496. Its totient is φ = 26736372.

The previous prime is 80209133. The next prime is 80209153. The reversal of 80209134 is 43190208.

It is a junction number, because it is equal to n+sod(n) for n = 80209098 and 80209107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80209133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2228014 + ... + 2228049.

It is an arithmetic number, because the mean of its divisors is an integer number (14482208).

Almost surely, 280209134 is an apocalyptic number.

80209134 is an abundant number, since it is smaller than the sum of its proper divisors (93577362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80209134 is a wasteful number, since it uses less digits than its factorization.

80209134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456071 (or 4456068 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 80209134 is about 8955.9552254352. The cubic root of 80209134 is about 431.2620825852.

The spelling of 80209134 in words is "eighty million, two hundred nine thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 4456063 8912126 13368189 26736378 40104567 80209134