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7623013 is a prime number
BaseRepresentation
bin11101000101000101100101
3112100021210211
4131011011211
53422414023
6431215421
7121536346
oct35050545
915307724
107623013
114337312
122677571
13176b978
1410260cd
15a08a0d
hex745165

7623013 has 2 divisors, whose sum is σ = 7623014. Its totient is φ = 7623012.

The previous prime is 7622983. The next prime is 7623017. The reversal of 7623013 is 3103267.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6441444 + 1181569 = 2538^2 + 1087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7623013 is a prime.

It is a super-2 number, since 2×76230132 = 116220654396338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7623017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3811506 + 3811507.

It is an arithmetic number, because the mean of its divisors is an integer number (3811507).

Almost surely, 27623013 is an apocalyptic number.

It is an amenable number.

7623013 is a deficient number, since it is larger than the sum of its proper divisors (1).

7623013 is an equidigital number, since it uses as much as digits as its factorization.

7623013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 7623013 is about 2760.9804417996. The cubic root of 7623013 is about 196.8077607957.

The spelling of 7623013 in words is "seven million, six hundred twenty-three thousand, thirteen".