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2131098 = 23418663
BaseRepresentation
bin1000001000010010011010
311000021022120
420020102122
51021143343
6113402110
724054054
oct10102232
94007276
102131098
111226142
12869336
13598008
143d68d4
152c1683
hex20849a

2131098 has 16 divisors (see below), whose sum is σ = 4366656. Its totient is φ = 692960.

The previous prime is 2131093. The next prime is 2131099. The reversal of 2131098 is 8901312.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2131093) 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 7 ways as a sum of consecutive naturals, for example, 4086 + ... + 4577.

It is an arithmetic number, because the mean of its divisors is an integer number (272916).

22131098 is an apocalyptic number.

2131098 is an abundant number, since it is smaller than the sum of its proper divisors (2235558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131098 is a wasteful number, since it uses less digits than its factorization.

2131098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8709.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 2131098 is about 1459.8280720688. The cubic root of 2131098 is about 128.6869399300.

The spelling of 2131098 in words is "two million, one hundred thirty-one thousand, ninety-eight".

Divisors: 1 2 3 6 41 82 123 246 8663 17326 25989 51978 355183 710366 1065549 2131098