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2069140 = 225103457
BaseRepresentation
bin111111001001010010100
310220010022211
413321022110
51012203030
6112203204
723405323
oct7711224
93803284
102069140
111193637
12839504
13575a58
143bc0ba
152ad12a
hex1f9294

2069140 has 12 divisors (see below), whose sum is σ = 4345236. Its totient is φ = 827648.

The previous prime is 2069129. The next prime is 2069141. The reversal of 2069140 is 419602.

It can be written as a sum of positive squares in 2 ways, for example, as 695556 + 1373584 = 834^2 + 1172^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2069141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51709 + ... + 51748.

It is an arithmetic number, because the mean of its divisors is an integer number (362103).

22069140 is an apocalyptic number.

2069140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2069140 is an abundant number, since it is smaller than the sum of its proper divisors (2276096).

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

2069140 is a wasteful number, since it uses less digits than its factorization.

2069140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103466 (or 103464 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2069140 is about 1438.4505552851. The cubic root of 2069140 is about 127.4275379617.

It can be divided in two parts, 2069 and 140, that added together give a square (2209 = 472).

The spelling of 2069140 in words is "two million, sixty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 103457 206914 413828 517285 1034570 2069140