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28852313 = 74787697
BaseRepresentation
bin110111000010…
…0000001011001
32000021211221012
41232010001121
524341233223
62510223305
7500145350
oct156040131
960254835
1028852313
1115317196
1297b4b35
135c92799
143b90997
1527edc78
hex1b84059

28852313 has 8 divisors (see below), whose sum is σ = 33676032. Its totient is φ = 24204096.

The previous prime is 28852309. The next prime is 28852331. The reversal of 28852313 is 31325882.

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

It is not a de Polignac number, because 28852313 - 22 = 28852309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28852313.

It is not an unprimeable number, because it can be changed into a prime (28852333) 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, 43520 + ... + 44177.

It is an arithmetic number, because the mean of its divisors is an integer number (4209504).

Almost surely, 228852313 is an apocalyptic number.

It is an amenable number.

28852313 is a deficient number, since it is larger than the sum of its proper divisors (4823719).

28852313 is an equidigital number, since it uses as much as digits as its factorization.

28852313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87751.

The product of its digits is 11520, while the sum is 32.

The square root of 28852313 is about 5371.4349107105. The cubic root of 28852313 is about 306.7092530388.

The spelling of 28852313 in words is "twenty-eight million, eight hundred fifty-two thousand, three hundred thirteen".

Divisors: 1 7 47 329 87697 613879 4121759 28852313