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7145393 is a prime number
BaseRepresentation
bin11011010000011110110001
3111110000122012
4123100132301
53312123033
6413052305
7114510023
oct33203661
914400565
107145393
114040492
122487095
131632458
14d40013
15962248
hex6d07b1

7145393 has 2 divisors, whose sum is σ = 7145394. Its totient is φ = 7145392.

The previous prime is 7145377. The next prime is 7145399. The reversal of 7145393 is 3935417.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7091569 + 53824 = 2663^2 + 232^2 .

It is an emirp because it is prime and its reverse (3935417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7145393 - 24 = 7145377 is a prime.

It is a super-2 number, since 2×71453932 = 102113282248898, which contains 22 as substring.

It is equal to p485870 and since 7145393 and 485870 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (7145399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572696 + 3572697.

It is an arithmetic number, because the mean of its divisors is an integer number (3572697).

Almost surely, 27145393 is an apocalyptic number.

It is an amenable number.

7145393 is a deficient number, since it is larger than the sum of its proper divisors (1).

7145393 is an equidigital number, since it uses as much as digits as its factorization.

7145393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 32.

The square root of 7145393 is about 2673.0867924555. The cubic root of 7145393 is about 192.6084664481.

The spelling of 7145393 in words is "seven million, one hundred forty-five thousand, three hundred ninety-three".