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4078469 is a prime number
BaseRepresentation
bin1111100011101110000101
321200012121102
433203232011
52021002334
6223225445
746444403
oct17435605
97605542
104078469
11233623a
121448285
13aca4c5
14782473
1555867e
hex3e3b85

4078469 has 2 divisors, whose sum is σ = 4078470. Its totient is φ = 4078468.

The previous prime is 4078457. The next prime is 4078489. The reversal of 4078469 is 9648704.

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., 2362369 + 1716100 = 1537^2 + 1310^2 .

It is a cyclic number.

It is not a de Polignac number, because 4078469 - 28 = 4078213 is a prime.

It is a super-2 number, since 2×40784692 = 33267818767922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4078409) 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, 2039234 + 2039235.

It is an arithmetic number, because the mean of its divisors is an integer number (2039235).

Almost surely, 24078469 is an apocalyptic number.

It is an amenable number.

4078469 is a deficient number, since it is larger than the sum of its proper divisors (1).

4078469 is an equidigital number, since it uses as much as digits as its factorization.

4078469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 4078469 is about 2019.5219731412. The cubic root of 4078469 is about 159.7714053293.

The spelling of 4078469 in words is "four million, seventy-eight thousand, four hundred sixty-nine".