Search a number
-
+
147471241 is a prime number
BaseRepresentation
bin10001100101000…
…11101110001001
3101021111022111211
420302203232021
5300223034431
622344453121
73440325211
oct1062435611
9337438454
10147471241
1176275365
124147a1a1
1324724bb8
141582b241
15ce302b1
hex8ca3b89

147471241 has 2 divisors, whose sum is σ = 147471242. Its totient is φ = 147471240.

The previous prime is 147471229. The next prime is 147471251. The reversal of 147471241 is 142174741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141610000 + 5861241 = 11900^2 + 2421^2 .

It is a cyclic number.

It is not a de Polignac number, because 147471241 - 211 = 147469193 is a prime.

It is not a weakly prime, because it can be changed into another prime (147471251) 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, 73735620 + 73735621.

It is an arithmetic number, because the mean of its divisors is an integer number (73735621).

Almost surely, 2147471241 is an apocalyptic number.

It is an amenable number.

147471241 is a deficient number, since it is larger than the sum of its proper divisors (1).

147471241 is an equidigital number, since it uses as much as digits as its factorization.

147471241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6272, while the sum is 31.

The square root of 147471241 is about 12143.7737544801. The cubic root of 147471241 is about 528.3265611178.

The spelling of 147471241 in words is "one hundred forty-seven million, four hundred seventy-one thousand, two hundred forty-one".