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7430161 is a prime number
BaseRepresentation
bin11100010110000000010001
3111222111021011
4130112000101
53400231121
6423130521
7120104164
oct34260021
914874234
107430161
114215432
1225a3a41
131701c5b
14db5adb
159bb7e1
hex716011

7430161 has 2 divisors, whose sum is σ = 7430162. Its totient is φ = 7430160.

The previous prime is 7430153. The next prime is 7430167. The reversal of 7430161 is 1610347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5382400 + 2047761 = 2320^2 + 1431^2 .

It is an emirp because it is prime and its reverse (1610347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7430161 - 23 = 7430153 is a prime.

It is an alternating number because its digits alternate between odd and even.

7430161 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7430167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3715080 + 3715081.

It is an arithmetic number, because the mean of its divisors is an integer number (3715081).

Almost surely, 27430161 is an apocalyptic number.

It is an amenable number.

7430161 is a deficient number, since it is larger than the sum of its proper divisors (1).

7430161 is an equidigital number, since it uses as much as digits as its factorization.

7430161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 7430161 is about 2725.8321665136. The cubic root of 7430161 is about 195.1339075856.

The spelling of 7430161 in words is "seven million, four hundred thirty thousand, one hundred sixty-one".