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2198039 is a prime number
BaseRepresentation
bin1000011000101000010111
311010200010212
420120220113
51030314124
6115040035
724453164
oct10305027
94120125
102198039
111271468
128a001b
135bc61c
1441306b
152d640e
hex218a17

2198039 has 2 divisors, whose sum is σ = 2198040. Its totient is φ = 2198038.

The previous prime is 2198029. The next prime is 2198057. The reversal of 2198039 is 9308912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2198039 - 212 = 2193943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2197996 and 2198014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2198029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099019 + 1099020.

It is an arithmetic number, because the mean of its divisors is an integer number (1099020).

22198039 is an apocalyptic number.

2198039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198039 is an equidigital number, since it uses as much as digits as its factorization.

2198039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2198039 is about 1482.5784970787. The cubic root of 2198039 is about 130.0204898670.

The spelling of 2198039 in words is "two million, one hundred ninety-eight thousand, thirty-nine".