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2820834 = 232672339
BaseRepresentation
bin1010110000101011100010
312022022110100
422300223202
51210231314
6140243230
732656002
oct12605342
95268410
102820834
111657375
12b40516
13779c43
14536002
153aac09
hex2b0ae2

2820834 has 24 divisors (see below), whose sum is σ = 6205680. Its totient is φ = 925848.

The previous prime is 2820833. The next prime is 2820863. The reversal of 2820834 is 4380282.

It is a junction number, because it is equal to n+sod(n) for n = 2820798 and 2820807.

It is not an unprimeable number, because it can be changed into a prime (2820833) 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, 37 + ... + 2375.

It is an arithmetic number, because the mean of its divisors is an integer number (258570).

22820834 is an apocalyptic number.

2820834 is an abundant number, since it is smaller than the sum of its proper divisors (3384846).

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

2820834 is a wasteful number, since it uses less digits than its factorization.

2820834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414 (or 2411 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 2820834 is about 1679.5338639039. The cubic root of 2820834 is about 141.2946907428.

It can be divided in two parts, 2 and 820834, that added together give a square (820836 = 9062).

The spelling of 2820834 in words is "two million, eight hundred twenty thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 9 18 67 134 201 402 603 1206 2339 4678 7017 14034 21051 42102 156713 313426 470139 940278 1410417 2820834