Search a number
-
+
28048544 = 252413637
BaseRepresentation
bin110101011111…
…1110010100000
31221210000100222
41222333302200
524140023134
62441102212
7460260116
oct152776240
957700328
1028048544
1114918317
129487968
135a70994
143a21ab6
1526e0a2e
hex1abfca0

28048544 has 24 divisors (see below), whose sum is σ = 55464948. Its totient is φ = 13962240.

The previous prime is 28048543. The next prime is 28048549. The reversal of 28048544 is 44584082.

It can be written as a sum of positive squares in 2 ways, for example, as 27164944 + 883600 = 5212^2 + 940^2 .

It is not an unprimeable number, because it can be changed into a prime (28048543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5894 + ... + 9530.

Almost surely, 228048544 is an apocalyptic number.

It is an amenable number.

28048544 is a deficient number, since it is larger than the sum of its proper divisors (27416404).

28048544 is a wasteful number, since it uses less digits than its factorization.

28048544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888 (or 3880 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 28048544 is about 5296.0876125684. The cubic root of 28048544 is about 303.8342817937.

The spelling of 28048544 in words is "twenty-eight million, forty-eight thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 32 241 482 964 1928 3637 3856 7274 7712 14548 29096 58192 116384 876517 1753034 3506068 7012136 14024272 28048544