Search a number
-
+
28541474 = 2139711317
BaseRepresentation
bin110110011100…
…0001000100010
31222201001112122
41230320020202
524301311344
62455424242
7464412203
oct154701042
958631478
1028541474
11151246a5
129685082
135bb4160
143b0d5aa
15278baee
hex1b38222

28541474 has 16 divisors (see below), whose sum is σ = 46584888. Its totient is φ = 13036032.

The previous prime is 28541437. The next prime is 28541497. The reversal of 28541474 is 47414582.

It can be written as a sum of positive squares in 4 ways, for example, as 25959025 + 2582449 = 5095^2 + 1607^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3137 + ... + 8180.

Almost surely, 228541474 is an apocalyptic number.

28541474 is a deficient number, since it is larger than the sum of its proper divisors (18043414).

28541474 is a wasteful number, since it uses less digits than its factorization.

28541474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11429.

The product of its digits is 35840, while the sum is 35.

The square root of 28541474 is about 5342.4221098674. The cubic root of 28541474 is about 305.6038346535.

The spelling of 28541474 in words is "twenty-eight million, five hundred forty-one thousand, four hundred seventy-four".

Divisors: 1 2 13 26 97 194 1261 2522 11317 22634 147121 294242 1097749 2195498 14270737 28541474