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28953341 is a prime number
BaseRepresentation
bin110111001110…
…0101011111101
32000110222111222
41232130223331
524403001331
62512323125
7501046034
oct156345375
960428458
1028953341
111538608a
1298434a5
135cc9771
143bb971b
15281db7b
hex1b9cafd

28953341 has 2 divisors, whose sum is σ = 28953342. Its totient is φ = 28953340.

The previous prime is 28953311. The next prime is 28953347. The reversal of 28953341 is 14335982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14853316 + 14100025 = 3854^2 + 3755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28953341 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28953347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14476670 + 14476671.

It is an arithmetic number, because the mean of its divisors is an integer number (14476671).

Almost surely, 228953341 is an apocalyptic number.

It is an amenable number.

28953341 is a deficient number, since it is larger than the sum of its proper divisors (1).

28953341 is an equidigital number, since it uses as much as digits as its factorization.

28953341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 28953341 is about 5380.8308837948. The cubic root of 28953341 is about 307.0668225912.

The spelling of 28953341 in words is "twenty-eight million, nine hundred fifty-three thousand, three hundred forty-one".