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7472089 is a prime number
BaseRepresentation
bin11100100000001111011001
3112001121210001
4130200033121
53403101324
6424053001
7120340342
oct34401731
915047701
107472089
114243989
122604161
131718071
14dc70c9
159c8e44
hex7203d9

7472089 has 2 divisors, whose sum is σ = 7472090. Its totient is φ = 7472088.

The previous prime is 7472063. The next prime is 7472123. The reversal of 7472089 is 9802747.

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., 7382089 + 90000 = 2717^2 + 300^2 .

It is an emirp because it is prime and its reverse (9802747) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7472089 is a prime.

It is a super-2 number, since 2×74720892 = 111664228047842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7472189) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3736044 + 3736045.

It is an arithmetic number, because the mean of its divisors is an integer number (3736045).

Almost surely, 27472089 is an apocalyptic number.

It is an amenable number.

7472089 is a deficient number, since it is larger than the sum of its proper divisors (1).

7472089 is an equidigital number, since it uses as much as digits as its factorization.

7472089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 7472089 is about 2733.5122095941. The cubic root of 7472089 is about 195.5002627312.

The spelling of 7472089 in words is "seven million, four hundred seventy-two thousand, eighty-nine".