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2073820 = 225714813
BaseRepresentation
bin111111010010011011100
310220100202011
413322103130
51012330240
6112241004
723425060
oct7722334
93810664
102073820
111197101
12840164
13577c18
143bdaa0
152ae6ea
hex1fa4dc

2073820 has 24 divisors (see below), whose sum is σ = 4977504. Its totient is φ = 710976.

The previous prime is 2073811. The next prime is 2073823. The reversal of 2073820 is 283702.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2073791 and 2073800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2073823) 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 7 ways as a sum of consecutive naturals, for example, 7267 + ... + 7546.

It is an arithmetic number, because the mean of its divisors is an integer number (207396).

22073820 is an apocalyptic number.

2073820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2073820 is an abundant number, since it is smaller than the sum of its proper divisors (2903684).

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

2073820 is a wasteful number, since it uses less digits than its factorization.

2073820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14829 (or 14827 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2073820 is about 1440.0763868629. The cubic root of 2073820 is about 127.5235378817.

The spelling of 2073820 in words is "two million, seventy-three thousand, eight hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 14813 29626 59252 74065 103691 148130 207382 296260 414764 518455 1036910 2073820