Search a number
-
+
28992848 = 241812053
BaseRepresentation
bin110111010011…
…0010101010000
32000112222201012
41232212111100
524410232343
62513230052
7501302153
oct156462520
960488635
1028992848
1115402835
129862328
136011741
143bc9c9a
15282a718
hex1ba6550

28992848 has 10 divisors (see below), whose sum is σ = 56173674. Its totient is φ = 14496416.

The previous prime is 28992839. The next prime is 28992853. The reversal of 28992848 is 84829982.

It can be written as a sum of positive squares in only one way, i.e., 27164944 + 1827904 = 5212^2 + 1352^2 .

It is a super-2 number, since 2×289928482 = 1681170470302208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28992796 and 28992805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 906011 + ... + 906042.

Almost surely, 228992848 is an apocalyptic number.

It is an amenable number.

28992848 is a deficient number, since it is larger than the sum of its proper divisors (27180826).

28992848 is a wasteful number, since it uses less digits than its factorization.

28992848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812061 (or 1812055 counting only the distinct ones).

The product of its digits is 663552, while the sum is 50.

The square root of 28992848 is about 5384.5007196582. The cubic root of 28992848 is about 307.2064239289.

The spelling of 28992848 in words is "twenty-eight million, nine hundred ninety-two thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16 1812053 3624106 7248212 14496424 28992848