Search a number
-
+
2228488712 = 231069260581
BaseRepresentation
bin1000010011010100…
…0000101000001000
312202022021221210222
42010311000220020
514030443114322
61005044125212
7106136561432
oct20465005010
95668257728
102228488712
11a43a1860a
12522396808
132968c7798
14171d75652
15d0997e42
hex84d40a08

2228488712 has 16 divisors (see below), whose sum is σ = 4182341100. Its totient is φ = 1113197760.

The previous prime is 2228488709. The next prime is 2228488733. The reversal of 2228488712 is 2178848222.

It can be written as a sum of positive squares in 2 ways, for example, as 2199047236 + 29441476 = 46894^2 + 5426^2 .

It is a super-2 number, since 2×22284887122 = 9932323879022837888, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 121739 + ... + 138842.

Almost surely, 22228488712 is an apocalyptic number.

It is an amenable number.

2228488712 is a deficient number, since it is larger than the sum of its proper divisors (1953852388).

2228488712 is a wasteful number, since it uses less digits than its factorization.

2228488712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261656 (or 261652 counting only the distinct ones).

The product of its digits is 229376, while the sum is 44.

The square root of 2228488712 is about 47206.8714489745. The cubic root of 2228488712 is about 1306.1813531014.

The spelling of 2228488712 in words is "two billion, two hundred twenty-eight million, four hundred eighty-eight thousand, seven hundred twelve".

Divisors: 1 2 4 8 1069 2138 4276 8552 260581 521162 1042324 2084648 278561089 557122178 1114244356 2228488712