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7423961 is a prime number
BaseRepresentation
bin11100010100011111011001
3111222011202112
4130110133121
53400031321
6423042105
7120050126
oct34243731
914864675
107423961
114210806
1225a0335
1316cc19c
14db374d
159b9a5b
hex7147d9

7423961 has 2 divisors, whose sum is σ = 7423962. Its totient is φ = 7423960.

The previous prime is 7423937. The next prime is 7423967. The reversal of 7423961 is 1693247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5040025 + 2383936 = 2245^2 + 1544^2 .

It is a cyclic number.

It is not a de Polignac number, because 7423961 - 210 = 7422937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7423967) 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, 3711980 + 3711981.

It is an arithmetic number, because the mean of its divisors is an integer number (3711981).

Almost surely, 27423961 is an apocalyptic number.

It is an amenable number.

7423961 is a deficient number, since it is larger than the sum of its proper divisors (1).

7423961 is an equidigital number, since it uses as much as digits as its factorization.

7423961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 32.

The square root of 7423961 is about 2724.6946617924. The cubic root of 7423961 is about 195.0796168422.

The spelling of 7423961 in words is "seven million, four hundred twenty-three thousand, nine hundred sixty-one".