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2069969 = 11188179
BaseRepresentation
bin111111001010111010001
310220011110112
413321113101
51012214334
6112211105
723410616
oct7712721
93804415
102069969
111194220
12839a95
13576245
143bc50d
152ad4ce
hex1f95d1

2069969 has 4 divisors (see below), whose sum is σ = 2258160. Its totient is φ = 1881780.

The previous prime is 2069959. The next prime is 2069983. The reversal of 2069969 is 9699602.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2069969 - 24 = 2069953 is a prime.

It is a super-2 number, since 2×20699692 = 8569543321922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2069909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94079 + ... + 94100.

It is an arithmetic number, because the mean of its divisors is an integer number (564540).

22069969 is an apocalyptic number.

It is an amenable number.

2069969 is a deficient number, since it is larger than the sum of its proper divisors (188191).

2069969 is a wasteful number, since it uses less digits than its factorization.

2069969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188190.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 2069969 is about 1438.7386837088. The cubic root of 2069969 is about 127.4445536178. Note that the first 3 decimals are identical.

The spelling of 2069969 in words is "two million, sixty-nine thousand, nine hundred sixty-nine".

Divisors: 1 11 188179 2069969