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28833873 = 331330707
BaseRepresentation
bin110110111111…
…1100001010001
32000020220122020
41231333201101
524340140443
62510002053
7500040525
oct155774121
960226566
1028833873
1115304352
1297a6329
135c87283
143b87d85
1527e8583
hex1b7f851

28833873 has 8 divisors (see below), whose sum is σ = 38569248. Its totient is φ = 19160544.

The previous prime is 28833851. The next prime is 28833901. The reversal of 28833873 is 37833882.

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

It is not a de Polignac number, because 28833873 - 212 = 28829777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28833823) 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, 14415 + ... + 16292.

It is an arithmetic number, because the mean of its divisors is an integer number (4821156).

Almost surely, 228833873 is an apocalyptic number.

It is an amenable number.

28833873 is a deficient number, since it is larger than the sum of its proper divisors (9735375).

28833873 is a wasteful number, since it uses less digits than its factorization.

28833873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31023.

The product of its digits is 193536, while the sum is 42.

The square root of 28833873 is about 5369.7181490279. The cubic root of 28833873 is about 306.6438980943.

Subtracting 28833873 from its reverse (37833882), we obtain a palindrome (9000009).

The spelling of 28833873 in words is "twenty-eight million, eight hundred thirty-three thousand, eight hundred seventy-three".

Divisors: 1 3 313 939 30707 92121 9611291 28833873