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28885435 = 518233169
BaseRepresentation
bin110111000110…
…0000110111011
32000100112100221
41232030012323
524343313220
62511040511
7500344045
oct156140673
960315327
1028885435
111533a067
129810137
135ca4897
143b9ca95
1528089aa
hex1b8c1bb

28885435 has 8 divisors (see below), whose sum is σ = 34692480. Its totient is φ = 23088384.

The previous prime is 28885433. The next prime is 28885471. The reversal of 28885435 is 53458882.

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

It is a cyclic number.

It is not a de Polignac number, because 28885435 - 21 = 28885433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28885391 and 28885400.

It is not an unprimeable number, because it can be changed into a prime (28885433) 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, 7531 + ... + 10699.

It is an arithmetic number, because the mean of its divisors is an integer number (4336560).

Almost surely, 228885435 is an apocalyptic number.

28885435 is a deficient number, since it is larger than the sum of its proper divisors (5807045).

28885435 is a wasteful number, since it uses less digits than its factorization.

28885435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4997.

The product of its digits is 307200, while the sum is 43.

The square root of 28885435 is about 5374.5171876179. The cubic root of 28885435 is about 306.8265739501.

The spelling of 28885435 in words is "twenty-eight million, eight hundred eighty-five thousand, four hundred thirty-five".

Divisors: 1 5 1823 3169 9115 15845 5777087 28885435