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2885233 = 13221941
BaseRepresentation
bin1011000000011001110001
312102120210111
423000121301
51214311413
6141501321
733344521
oct13003161
95376714
102885233
1116a079a
12b71841
137a0350
14551681
153bed3d
hex2c0671

2885233 has 4 divisors (see below), whose sum is σ = 3107188. Its totient is φ = 2663280.

The previous prime is 2885219. The next prime is 2885237. The reversal of 2885233 is 3325882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1940449 + 944784 = 1393^2 + 972^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2885233 is a prime.

It is an Ulam number.

It is a Duffinian number.

2885233 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2885195 and 2885204.

It is not an unprimeable number, because it can be changed into a prime (2885237) 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, 110958 + ... + 110983.

It is an arithmetic number, because the mean of its divisors is an integer number (776797).

22885233 is an apocalyptic number.

It is an amenable number.

2885233 is a deficient number, since it is larger than the sum of its proper divisors (221955).

2885233 is a wasteful number, since it uses less digits than its factorization.

2885233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221954.

The product of its digits is 11520, while the sum is 31.

The square root of 2885233 is about 1698.5973625318. The cubic root of 2885233 is about 142.3618523673.

The spelling of 2885233 in words is "two million, eight hundred eighty-five thousand, two hundred thirty-three".

Divisors: 1 13 221941 2885233