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2821233 = 31019311
BaseRepresentation
bin1010110000110001110001
312022100000010
422300301301
51210234413
6140245133
732660112
oct12606161
95270003
102821233
1116576a8
12b407a9
1377a18c
14536209
153aadc3
hex2b0c71

2821233 has 8 divisors (see below), whose sum is σ = 3799296. Its totient is φ = 1862000.

The previous prime is 2821229. The next prime is 2821267. The reversal of 2821233 is 3321282.

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

It is a cyclic number.

It is not a de Polignac number, because 2821233 - 22 = 2821229 is a prime.

2821233 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2821733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4353 + ... + 4958.

It is an arithmetic number, because the mean of its divisors is an integer number (474912).

22821233 is an apocalyptic number.

It is an amenable number.

2821233 is a deficient number, since it is larger than the sum of its proper divisors (978063).

2821233 is a wasteful number, since it uses less digits than its factorization.

2821233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9415.

The product of its digits is 576, while the sum is 21.

The square root of 2821233 is about 1679.6526426616. The cubic root of 2821233 is about 141.3013523570.

The spelling of 2821233 in words is "two million, eight hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 3 101 303 9311 27933 940411 2821233