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2020834 = 28911353
BaseRepresentation
bin111101101010111100010
310210200001201
413231113202
51004131314
6111151414
723114434
oct7552742
93720051
102020834
111160312
1281556a
13559a7a
143a8654
1529db74
hex1ed5e2

2020834 has 8 divisors (see below), whose sum is σ = 3065580. Its totient is φ = 998976.

The previous prime is 2020831. The next prime is 2020853. The reversal of 2020834 is 4380202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1863225 + 157609 = 1365^2 + 397^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2020831) 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, 5499 + ... + 5854.

22020834 is an apocalyptic number.

2020834 is a deficient number, since it is larger than the sum of its proper divisors (1044746).

2020834 is a wasteful number, since it uses less digits than its factorization.

2020834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11444.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2020834 is about 1421.5604102535. The cubic root of 2020834 is about 126.4280812069.

The spelling of 2020834 in words is "two million, twenty thousand, eight hundred thirty-four".

Divisors: 1 2 89 178 11353 22706 1010417 2020834