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2069442 = 233192017
BaseRepresentation
bin111111001001111000010
310220010202000
413321033002
51012210232
6112204430
723406234
oct7711702
93803660
102069442
111193891
12839716
13575c2b
143bc254
152ad27c
hex1f93c2

2069442 has 32 divisors (see below), whose sum is σ = 4843200. Its totient is φ = 653184.

The previous prime is 2069413. The next prime is 2069443. The reversal of 2069442 is 2449602.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2069443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18 + ... + 2034.

It is an arithmetic number, because the mean of its divisors is an integer number (151350).

22069442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2069442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2421600).

2069442 is an abundant number, since it is smaller than the sum of its proper divisors (2773758).

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

2069442 is a wasteful number, since it uses less digits than its factorization.

2069442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047 (or 2041 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2069442 is about 1438.5555255186. Note that the first 4 decimals coincide. The cubic root of 2069442 is about 127.4337371949.

It can be divided in two parts, 20694 and 42, that added together give a 4-th power (20736 = 124).

The spelling of 2069442 in words is "two million, sixty-nine thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 114 171 342 513 1026 2017 4034 6051 12102 18153 36306 38323 54459 76646 108918 114969 229938 344907 689814 1034721 2069442