Search a number
-
+
227080801 = 2081109121
BaseRepresentation
bin11011000100011…
…11101001100001
3120211021220022001
431202033221201
5431113041201
634311044001
75425104103
oct1542175141
9524256261
10227080801
111071aa192
1264070601
133807964c
1422231573
1514e08301
hexd88fa61

227080801 has 4 divisors (see below), whose sum is σ = 227192004. Its totient is φ = 226969600.

The previous prime is 227080757. The next prime is 227080853. The reversal of 227080801 is 108080722.

227080801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108080722 = 254040361.

It can be written as a sum of positive squares in 2 ways, for example, as 74805201 + 152275600 = 8649^2 + 12340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-227080801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 227080801.

It is not an unprimeable number, because it can be changed into a prime (227080891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52480 + ... + 56641.

It is an arithmetic number, because the mean of its divisors is an integer number (56798001).

Almost surely, 2227080801 is an apocalyptic number.

It is an amenable number.

227080801 is a deficient number, since it is larger than the sum of its proper divisors (111203).

227080801 is a wasteful number, since it uses less digits than its factorization.

227080801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111202.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 227080801 is about 15069.2004101080. The cubic root of 227080801 is about 610.0893902862.

The spelling of 227080801 in words is "two hundred twenty-seven million, eighty thousand, eight hundred one".

Divisors: 1 2081 109121 227080801