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2028903 = 31973433
BaseRepresentation
bin111101111010101100111
310211002010120
413233111213
51004411103
6111253023
723150112
oct7572547
93732116
102028903
111166388
1281a173
13560646
143ab579
152a1253
hex1ef567

2028903 has 8 divisors (see below), whose sum is σ = 2719728. Its totient is φ = 1345344.

The previous prime is 2028881. The next prime is 2028907. The reversal of 2028903 is 3098202.

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

It is not a de Polignac number, because 2028903 - 28 = 2028647 is a prime.

2028903 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028907) 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, 1126 + ... + 2307.

It is an arithmetic number, because the mean of its divisors is an integer number (339966).

22028903 is an apocalyptic number.

2028903 is a deficient number, since it is larger than the sum of its proper divisors (690825).

2028903 is a wasteful number, since it uses less digits than its factorization.

2028903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3633.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2028903 is about 1424.3956613245. The cubic root of 2028903 is about 126.5961295483.

The spelling of 2028903 in words is "two million, twenty-eight thousand, nine hundred three".

Divisors: 1 3 197 591 3433 10299 676301 2028903