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2834890 = 25283489
BaseRepresentation
bin1010110100000111001010
312100000201221
422310013022
51211204030
6140432254
733044662
oct12640712
95300657
102834890
111666993
12b4868a
13783466
1453b1a2
153aee7a
hex2b41ca

2834890 has 8 divisors (see below), whose sum is σ = 5102820. Its totient is φ = 1133952.

The previous prime is 2834873. The next prime is 2834893. The reversal of 2834890 is 984382.

It can be written as a sum of positive squares in 2 ways, for example, as 2832489 + 2401 = 1683^2 + 49^2 .

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 (2834893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141735 + ... + 141754.

22834890 is an apocalyptic number.

2834890 is a deficient number, since it is larger than the sum of its proper divisors (2267930).

2834890 is a wasteful number, since it uses less digits than its factorization.

2834890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283496.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2834890 is about 1683.7131584685. The cubic root of 2834890 is about 141.5289888873.

The spelling of 2834890 in words is "two million, eight hundred thirty-four thousand, eight hundred ninety".

Divisors: 1 2 5 10 283489 566978 1417445 2834890