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28833339 = 367314281
BaseRepresentation
bin110110111111…
…1011000111011
32000020212220110
41231333120323
524340131324
62505555403
7500036133
oct155773073
960225813
1028833339
1115303a07
1297a5b63
135c86c62
143b87ac3
1527e8329
hex1b7f63b

28833339 has 8 divisors (see below), whose sum is σ = 38504272. Its totient is φ = 19192320.

The previous prime is 28833331. The next prime is 28833353. The reversal of 28833339 is 93333882.

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

It is not a de Polignac number, because 28833339 - 23 = 28833331 is a prime.

It is a super-2 number, since 2×288333392 = 1662722875777842, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28833297 and 28833306.

It is not an unprimeable number, because it can be changed into a prime (28833331) 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, 5122 + ... + 9159.

It is an arithmetic number, because the mean of its divisors is an integer number (4813034).

Almost surely, 228833339 is an apocalyptic number.

28833339 is a deficient number, since it is larger than the sum of its proper divisors (9670933).

28833339 is a wasteful number, since it uses less digits than its factorization.

28833339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14957.

The product of its digits is 93312, while the sum is 39.

The square root of 28833339 is about 5369.6684255175. The cubic root of 28833339 is about 306.6420050794.

The spelling of 28833339 in words is "twenty-eight million, eight hundred thirty-three thousand, three hundred thirty-nine".

Divisors: 1 3 673 2019 14281 42843 9611113 28833339