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2069388 = 22352129
BaseRepresentation
bin111111001001110001100
310220010200000
413321032030
51012210023
6112204300
723406126
oct7711614
93803600
102069388
111193842
12839690
13575bb9
143bc216
152ad243
hex1f938c

2069388 has 36 divisors (see below), whose sum is σ = 5427240. Its totient is φ = 689472.

The previous prime is 2069387. The next prime is 2069399. The reversal of 2069388 is 8839602.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2069381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93 + ... + 2036.

22069388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2069388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2713620).

2069388 is an abundant number, since it is smaller than the sum of its proper divisors (3357852).

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

2069388 is a wasteful number, since it uses less digits than its factorization.

2069388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148 (or 2134 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2069388 is about 1438.5367565690. The cubic root of 2069388 is about 127.4326287670.

The spelling of 2069388 in words is "two million, sixty-nine thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 972 2129 4258 6387 8516 12774 19161 25548 38322 57483 76644 114966 172449 229932 344898 517347 689796 1034694 2069388