Search a number
-
+
227071501 is a prime number
BaseRepresentation
bin11011000100011…
…01011000001101
3120211021102112121
431202031120031
5431112242001
634310532541
75425035016
oct1542153015
9524242477
10227071501
111071a31a8
1264067151
1338075347
142222c00d
1514e056a1
hexd88d60d

227071501 has 2 divisors, whose sum is σ = 227071502. Its totient is φ = 227071500.

The previous prime is 227071487. The next prime is 227071531. The reversal of 227071501 is 105170722.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196280100 + 30791401 = 14010^2 + 5549^2 .

It is a cyclic number.

It is not a de Polignac number, because 227071501 - 25 = 227071469 is a prime.

It is a super-2 number, since 2×2270715012 = 103122933132786002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227071531) 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, 113535750 + 113535751.

It is an arithmetic number, because the mean of its divisors is an integer number (113535751).

Almost surely, 2227071501 is an apocalyptic number.

It is an amenable number.

227071501 is a deficient number, since it is larger than the sum of its proper divisors (1).

227071501 is an equidigital number, since it uses as much as digits as its factorization.

227071501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 227071501 is about 15068.8918305229. The cubic root of 227071501 is about 610.0810615198.

The spelling of 227071501 in words is "two hundred twenty-seven million, seventy-one thousand, five hundred one".