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2998109 is a prime number
BaseRepresentation
bin1011011011111101011101
312122022122002
423123331131
51231414414
6144132045
734324562
oct13337535
95568562
102998109
111768584
121007025
1380c83a
14580869
153e34de
hex2dbf5d

2998109 has 2 divisors, whose sum is σ = 2998110. Its totient is φ = 2998108.

The previous prime is 2998097. The next prime is 2998111. The reversal of 2998109 is 9018992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1836025 + 1162084 = 1355^2 + 1078^2 .

It is a cyclic number.

It is not a de Polignac number, because 2998109 - 28 = 2997853 is a prime.

Together with 2998111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2998139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1499054 + 1499055.

It is an arithmetic number, because the mean of its divisors is an integer number (1499055).

22998109 is an apocalyptic number.

It is an amenable number.

2998109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2998109 is an equidigital number, since it uses as much as digits as its factorization.

2998109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 2998109 is about 1731.5048368399. The cubic root of 2998109 is about 144.1946473955.

The spelling of 2998109 in words is "two million, nine hundred ninety-eight thousand, one hundred nine".