Search a number
-
+
80272133 is a prime number
BaseRepresentation
bin1001100100011…
…01101100000101
312121001020122222
410302031230011
5131022202013
611544302125
71663205354
oct462155405
9177036588
1080272133
1141347707
1222a71945
1313827206
14a93799b
1570a9508
hex4c8db05

80272133 has 2 divisors, whose sum is σ = 80272134. Its totient is φ = 80272132.

The previous prime is 80272109. The next prime is 80272183. The reversal of 80272133 is 33127208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69923044 + 10349089 = 8362^2 + 3217^2 .

It is a cyclic number.

It is not a de Polignac number, because 80272133 - 216 = 80206597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80272183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40136066 + 40136067.

It is an arithmetic number, because the mean of its divisors is an integer number (40136067).

Almost surely, 280272133 is an apocalyptic number.

It is an amenable number.

80272133 is a deficient number, since it is larger than the sum of its proper divisors (1).

80272133 is an equidigital number, since it uses as much as digits as its factorization.

80272133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 80272133 is about 8959.4716920140. The cubic root of 80272133 is about 431.3749623722.

The spelling of 80272133 in words is "eighty million, two hundred seventy-two thousand, one hundred thirty-three".