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2190799 = 13168523
BaseRepresentation
bin1000010110110111001111
311010022012201
420112313033
51030101144
6114542331
724423112
oct10266717
94108181
102190799
111266a86
128979a7
135b9240
14410579
152d41d4
hex216dcf

2190799 has 4 divisors (see below), whose sum is σ = 2359336. Its totient is φ = 2022264.

The previous prime is 2190763. The next prime is 2190809. The reversal of 2190799 is 9970912.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2190799 - 211 = 2188751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84249 + ... + 84274.

It is an arithmetic number, because the mean of its divisors is an integer number (589834).

22190799 is an apocalyptic number.

2190799 is a deficient number, since it is larger than the sum of its proper divisors (168537).

2190799 is a wasteful number, since it uses less digits than its factorization.

2190799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168536.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 2190799 is about 1480.1347911592. The cubic root of 2190799 is about 129.8775770564.

The spelling of 2190799 in words is "two million, one hundred ninety thousand, seven hundred ninety-nine".

Divisors: 1 13 168523 2190799