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2198055 = 352931163
BaseRepresentation
bin1000011000101000100111
311010200011110
420120220213
51030314210
6115040103
724453216
oct10305047
94120143
102198055
111271482
128a0033
135bc632
1441307d
152d6420
hex218a27

2198055 has 32 divisors (see below), whose sum is σ = 3778560. Its totient is φ = 1088640.

The previous prime is 2198039. The next prime is 2198057. The reversal of 2198055 is 5508912.

It is not a de Polignac number, because 2198055 - 24 = 2198039 is a prime.

2198055 is a lucky number.

It is a congruent number.

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

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13404 + ... + 13566.

It is an arithmetic number, because the mean of its divisors is an integer number (118080).

22198055 is an apocalyptic number.

2198055 is a deficient number, since it is larger than the sum of its proper divisors (1580505).

2198055 is a wasteful number, since it uses less digits than its factorization.

2198055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 2198055 is about 1482.5838930732. The cubic root of 2198055 is about 130.0208053486.

The spelling of 2198055 in words is "two million, one hundred ninety-eight thousand, fifty-five".

Divisors: 1 3 5 15 29 31 87 93 145 155 163 435 465 489 815 899 2445 2697 4495 4727 5053 13485 14181 15159 23635 25265 70905 75795 146537 439611 732685 2198055