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28926941 is a prime number
BaseRepresentation
bin110111001011…
…0001111011101
32000102122022012
41232112033131
524401130231
62512001005
7500606051
oct156261735
960378265
1028926941
111536826a
129830165
135cba744
143badc61
152815e2b
hex1b963dd

28926941 has 2 divisors, whose sum is σ = 28926942. Its totient is φ = 28926940.

The previous prime is 28926929. The next prime is 28926943. The reversal of 28926941 is 14962982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27984100 + 942841 = 5290^2 + 971^2 .

It is a cyclic number.

It is not a de Polignac number, because 28926941 - 210 = 28925917 is a prime.

It is a Sophie Germain prime.

Together with 28926943, it forms a pair of twin primes.

It is a Chen 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 (28926943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14463470 + 14463471.

It is an arithmetic number, because the mean of its divisors is an integer number (14463471).

Almost surely, 228926941 is an apocalyptic number.

It is an amenable number.

28926941 is a deficient number, since it is larger than the sum of its proper divisors (1).

28926941 is an equidigital number, since it uses as much as digits as its factorization.

28926941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 28926941 is about 5378.3771716011. The cubic root of 28926941 is about 306.9734651527.

The spelling of 28926941 in words is "twenty-eight million, nine hundred twenty-six thousand, nine hundred forty-one".