Search a number
-
+
80380306 = 2109368717
BaseRepresentation
bin1001100101010…
…00000110010010
312121020202001101
410302220012102
5131034132211
611550455014
71664135626
oct462500622
9177222041
1080380306
1141410a06
1222b0446a
1313864516
14a965186
1570cb5c1
hex4ca8192

80380306 has 8 divisors (see below), whose sum is σ = 121676940. Its totient is φ = 39821328.

The previous prime is 80380283. The next prime is 80380319. The reversal of 80380306 is 60308308.

It can be written as a sum of positive squares in 2 ways, for example, as 79370281 + 1010025 = 8909^2 + 1005^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184141 + ... + 184576.

Almost surely, 280380306 is an apocalyptic number.

80380306 is a deficient number, since it is larger than the sum of its proper divisors (41296634).

80380306 is a wasteful number, since it uses less digits than its factorization.

80380306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368828.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 80380306 is about 8965.5064552986. The cubic root of 80380306 is about 431.5686459375.

The spelling of 80380306 in words is "eighty million, three hundred eighty thousand, three hundred six".

Divisors: 1 2 109 218 368717 737434 40190153 80380306