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2198050 = 25243961
BaseRepresentation
bin1000011000101000100010
311010200011021
420120220202
51030314200
6115040054
724453211
oct10305042
94120137
102198050
111271478
128a002a
135bc62a
14413078
152d641a
hex218a22

2198050 has 12 divisors (see below), whose sum is σ = 4088466. Its totient is φ = 879200.

The previous prime is 2198039. The next prime is 2198057. The reversal of 2198050 is 508912.

It can be written as a sum of positive squares in 3 ways, for example, as 1934881 + 263169 = 1391^2 + 513^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2198057) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 21931 + ... + 22030.

22198050 is an apocalyptic number.

2198050 is a deficient number, since it is larger than the sum of its proper divisors (1890416).

2198050 is a wasteful number, since it uses less digits than its factorization.

2198050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43973 (or 43968 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 2198050 is about 1482.5822068270. The cubic root of 2198050 is about 130.0207067608.

The spelling of 2198050 in words is "two million, one hundred ninety-eight thousand, fifty".

Divisors: 1 2 5 10 25 50 43961 87922 219805 439610 1099025 2198050