Search a number
-
+
2225285028 = 223331664661
BaseRepresentation
bin1000010010100011…
…0010011110100100
312202002021012012000
42010220302132210
514024133110103
61004451325300
7106100416311
oct20450623644
95662235160
102225285028
11a4212a63a
125212b0830
13296045505
1417177dd08
15d0563aa3
hex84a327a4

2225285028 has 48 divisors (see below), whose sum is σ = 5955371520. Its totient is φ = 717832800.

The previous prime is 2225285017. The next prime is 2225285033. The reversal of 2225285028 is 8205825222.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2225284983 and 2225285001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328983 + ... + 335678.

It is an arithmetic number, because the mean of its divisors is an integer number (124070240).

Almost surely, 22225285028 is an apocalyptic number.

It is an amenable number.

2225285028 is an abundant number, since it is smaller than the sum of its proper divisors (3730086492).

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

2225285028 is a wasteful number, since it uses less digits than its factorization.

2225285028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664705 (or 664697 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 2225285028 is about 47172.9268542879. The cubic root of 2225285028 is about 1305.5551291280. Note that the first 3 decimals are identical.

The spelling of 2225285028 in words is "two billion, two hundred twenty-five million, two hundred eighty-five thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 31 36 54 62 93 108 124 186 279 372 558 837 1116 1674 3348 664661 1329322 1993983 2658644 3987966 5981949 7975932 11963898 17945847 20604491 23927796 35891694 41208982 61813473 71783388 82417964 123626946 185440419 247253892 370880838 556321257 741761676 1112642514 2225285028