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2028433 = 11613023
BaseRepresentation
bin111101111001110010001
310211001111011
413233032101
51004402213
6111250521
723145541
oct7571621
93731434
102028433
111165aa0
12819a41
13560374
143ab321
152a103d
hex1ef391

2028433 has 8 divisors (see below), whose sum is σ = 2249856. Its totient is φ = 1813200.

The previous prime is 2028431. The next prime is 2028443. The reversal of 2028433 is 3348202.

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 2028433 - 21 = 2028431 is a prime.

It is a super-2 number, since 2×20284332 = 8229080870978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028431) 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, 841 + ... + 2182.

It is an arithmetic number, because the mean of its divisors is an integer number (281232).

22028433 is an apocalyptic number.

It is an amenable number.

2028433 is a deficient number, since it is larger than the sum of its proper divisors (221423).

2028433 is a wasteful number, since it uses less digits than its factorization.

2028433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2028433 is about 1424.2306695195. The cubic root of 2028433 is about 126.5863533662.

The spelling of 2028433 in words is "two million, twenty-eight thousand, four hundred thirty-three".

Divisors: 1 11 61 671 3023 33253 184403 2028433