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2119069 = 10919441
BaseRepresentation
bin1000000101010110011101
310222122211001
420011112131
51020302234
6113230301
724004021
oct10052635
93878731
102119069
1112180a7
12862391
135926b4
143d2381
152bcd14
hex20559d

2119069 has 4 divisors (see below), whose sum is σ = 2138620. Its totient is φ = 2099520.

The previous prime is 2119057. The next prime is 2119087. The reversal of 2119069 is 9609112.

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 974169 + 1144900 = 987^2 + 1070^2 .

It is a cyclic number.

It is not a de Polignac number, because 2119069 - 213 = 2110877 is a prime.

It is a super-2 number, since 2×21190692 = 8980906853522, which contains 22 as substring.

It is a Duffinian number.

2119069 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119669) 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, 9612 + ... + 9829.

It is an arithmetic number, because the mean of its divisors is an integer number (534655).

22119069 is an apocalyptic number.

It is an amenable number.

2119069 is a deficient number, since it is larger than the sum of its proper divisors (19551).

2119069 is a wasteful number, since it uses less digits than its factorization.

2119069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19550.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 2119069 is about 1455.7022360359. The cubic root of 2119069 is about 128.4443581110. Note that the first 3 decimals are identical.

The spelling of 2119069 in words is "two million, one hundred nineteen thousand, sixty-nine".

Divisors: 1 109 19441 2119069