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2119853 = 2299257
BaseRepresentation
bin1000000101100010101101
310222200220002
420011202231
51020313403
6113234045
724006221
oct10054255
93880802
102119853
11121874a
12862925
13592b68
143d2781
152bd188
hex2058ad

2119853 has 4 divisors (see below), whose sum is σ = 2129340. Its totient is φ = 2110368.

The previous prime is 2119837. The next prime is 2119877. The reversal of 2119853 is 3589112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1044484 + 1075369 = 1022^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 2119853 - 24 = 2119837 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 (2110853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4400 + ... + 4857.

It is an arithmetic number, because the mean of its divisors is an integer number (532335).

22119853 is an apocalyptic number.

It is an amenable number.

2119853 is a deficient number, since it is larger than the sum of its proper divisors (9487).

2119853 is an equidigital number, since it uses as much as digits as its factorization.

2119853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9486.

The product of its digits is 2160, while the sum is 29.

The square root of 2119853 is about 1455.9714969738. The cubic root of 2119853 is about 128.4601965068.

The spelling of 2119853 in words is "two million, one hundred nineteen thousand, eight hundred fifty-three".

Divisors: 1 229 9257 2119853