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4905917 is a prime number
BaseRepresentation
bin10010101101101110111101
3100020020122122
4102231232331
52223442132
6253052325
756461652
oct22555675
910206578
104905917
112850985
1217870a5
13102a013
14919c29
1566d912
hex4adbbd

4905917 has 2 divisors, whose sum is σ = 4905918. Its totient is φ = 4905916.

The previous prime is 4905899. The next prime is 4905931. The reversal of 4905917 is 7195094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4468996 + 436921 = 2114^2 + 661^2 .

It is a cyclic number.

It is not a de Polignac number, because 4905917 - 28 = 4905661 is a prime.

It is a super-2 number, since 2×49059172 = 48136043221778, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4905977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2452958 + 2452959.

It is an arithmetic number, because the mean of its divisors is an integer number (2452959).

Almost surely, 24905917 is an apocalyptic number.

It is an amenable number.

4905917 is a deficient number, since it is larger than the sum of its proper divisors (1).

4905917 is an equidigital number, since it uses as much as digits as its factorization.

4905917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 4905917 is about 2214.9304729494. The cubic root of 4905917 is about 169.9182652071.

The spelling of 4905917 in words is "four million, nine hundred five thousand, nine hundred seventeen".