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2090369 = 18111549
BaseRepresentation
bin111111110010110000001
310221012110002
413332112001
51013342434
6112445345
723524241
oct7762601
93835402
102090369
1111a8586
12849855
13582608
143c5b21
152b457e
hex1fe581

2090369 has 4 divisors (see below), whose sum is σ = 2102100. Its totient is φ = 2078640.

The previous prime is 2090357. The next prime is 2090381. The reversal of 2090369 is 9630902.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9630902 = 24815451.

It is an interprime number because it is at equal distance from previous prime (2090357) and next prime (2090381).

It can be written as a sum of positive squares in 2 ways, for example, as 960400 + 1129969 = 980^2 + 1063^2 .

It is a cyclic number.

It is not a de Polignac number, because 2090369 - 24 = 2090353 is a prime.

It is a super-2 number, since 2×20903692 = 8739285112322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2090329) 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, 5594 + ... + 5955.

It is an arithmetic number, because the mean of its divisors is an integer number (525525).

22090369 is an apocalyptic number.

It is an amenable number.

2090369 is a deficient number, since it is larger than the sum of its proper divisors (11731).

2090369 is a wasteful number, since it uses less digits than its factorization.

2090369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11730.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 2090369 is about 1445.8108451661. The cubic root of 2090369 is about 127.8618504615.

The spelling of 2090369 in words is "two million, ninety thousand, three hundred sixty-nine".

Divisors: 1 181 11549 2090369