Search a number
-
+
180308036 = 2245077009
BaseRepresentation
bin10101011111101…
…00100001000100
3110120021121010102
422233310201010
5332124324121
625520343232
74316410256
oct1257644104
9416247112
10180308036
1192863107
1250474b18
132b48115c
1419d37cd6
1510c6990b
hexabf4844

180308036 has 6 divisors (see below), whose sum is σ = 315539070. Its totient is φ = 90154016.

The previous prime is 180308033. The next prime is 180308047. The reversal of 180308036 is 630803081.

It can be written as a sum of positive squares in only one way, i.e., 108160000 + 72148036 = 10400^2 + 8494^2 .

It is not an unprimeable number, because it can be changed into a prime (180308033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22538501 + ... + 22538508.

It is an arithmetic number, because the mean of its divisors is an integer number (52589845).

Almost surely, 2180308036 is an apocalyptic number.

It is an amenable number.

180308036 is a deficient number, since it is larger than the sum of its proper divisors (135231034).

180308036 is a wasteful number, since it uses less digits than its factorization.

180308036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45077013 (or 45077011 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 180308036 is about 13427.8827817344. The cubic root of 180308036 is about 564.9435148586.

The spelling of 180308036 in words is "one hundred eighty million, three hundred eight thousand, thirty-six".

Divisors: 1 2 4 45077009 90154018 180308036