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4155401 is a prime number
BaseRepresentation
bin1111110110100000001001
321211010010202
433312200021
52030433101
6225021545
750214605
oct17664011
97733122
104155401
112389018
1214848b5
13b26523
147a2505
1557136b
hex3f6809

4155401 has 2 divisors, whose sum is σ = 4155402. Its totient is φ = 4155400.

The previous prime is 4155367. The next prime is 4155409. The reversal of 4155401 is 1045514.

4155401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3553225 + 602176 = 1885^2 + 776^2 .

It is a cyclic number.

It is not a de Polignac number, because 4155401 - 26 = 4155337 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4155409) 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, 2077700 + 2077701.

It is an arithmetic number, because the mean of its divisors is an integer number (2077701).

Almost surely, 24155401 is an apocalyptic number.

It is an amenable number.

4155401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4155401 is an equidigital number, since it uses as much as digits as its factorization.

4155401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 4155401 is about 2038.4800710333. The cubic root of 4155401 is about 160.7697414455.

The spelling of 4155401 in words is "four million, one hundred fifty-five thousand, four hundred one".