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20230003 = 191064737
BaseRepresentation
bin100110100101…
…0111101110011
31102001210100101
41031022331303
520134330003
62001333231
7333644413
oct115127563
942053311
1020230003
1110468112
126937217
134264021
142988643
151b9911d
hex134af73

20230003 has 4 divisors (see below), whose sum is σ = 21294760. Its totient is φ = 19165248.

The previous prime is 20229991. The next prime is 20230031. The reversal of 20230003 is 30003202.

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

It is a cyclic number.

It is not a de Polignac number, because 20230003 - 25 = 20229971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20230103) 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, 532350 + ... + 532387.

It is an arithmetic number, because the mean of its divisors is an integer number (5323690).

Almost surely, 220230003 is an apocalyptic number.

20230003 is a deficient number, since it is larger than the sum of its proper divisors (1064757).

20230003 is a wasteful number, since it uses less digits than its factorization.

20230003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064756.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 20230003 is about 4497.7775623079. Note that the first 3 decimals coincide. The cubic root of 20230003 is about 272.4783384852.

Adding to 20230003 its reverse (30003202), we get a palindrome (50233205).

It can be divided in two parts, 202 and 30003, that multiplied together give a palindrome (6060606).

The spelling of 20230003 in words is "twenty million, two hundred thirty thousand, three".

Divisors: 1 19 1064737 20230003