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2198146 = 21397907
BaseRepresentation
bin1000011000101010000010
311010200021211
420120222002
51030320041
6115040334
724453406
oct10305202
94120254
102198146
111271555
128a00aa
135bc6a2
14413106
152d6481
hex218a82

2198146 has 8 divisors (see below), whose sum is σ = 3321360. Its totient is φ = 1091028.

The previous prime is 2198137. The next prime is 2198153. The reversal of 2198146 is 6418912.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3676 + ... + 4231.

It is an arithmetic number, because the mean of its divisors is an integer number (415170).

22198146 is an apocalyptic number.

2198146 is a deficient number, since it is larger than the sum of its proper divisors (1123214).

2198146 is a wasteful number, since it uses less digits than its factorization.

2198146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8048.

The product of its digits is 3456, while the sum is 31.

The square root of 2198146 is about 1482.6145824185. The cubic root of 2198146 is about 130.0225996213.

The spelling of 2198146 in words is "two million, one hundred ninety-eight thousand, one hundred forty-six".

Divisors: 1 2 139 278 7907 15814 1099073 2198146