Search a number
-
+
28269048 = 2331177877
BaseRepresentation
bin110101111010…
…1100111111000
31222012012211210
41223311213320
524214102143
62445523120
7462166023
oct153654770
958165753
1028269048
1114a58a55
1295734a0
135b1a162
143a7c1ba
152736033
hex1af59f8

28269048 has 16 divisors (see below), whose sum is σ = 70672680. Its totient is φ = 9423008.

The previous prime is 28269029. The next prime is 28269061. The reversal of 28269048 is 84096282.

It is a junction number, because it is equal to n+sod(n) for n = 28268997 and 28269015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588915 + ... + 588962.

Almost surely, 228269048 is an apocalyptic number.

It is an amenable number.

28269048 is an abundant number, since it is smaller than the sum of its proper divisors (42403632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28269048 is a wasteful number, since it uses less digits than its factorization.

28269048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177886 (or 1177882 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 28269048 is about 5316.8644895276. The cubic root of 28269048 is about 304.6284034918.

The spelling of 28269048 in words is "twenty-eight million, two hundred sixty-nine thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 24 1177877 2355754 3533631 4711508 7067262 9423016 14134524 28269048