Search a number
-
+
89282705225 = 527272883841
BaseRepresentation
bin101001100100110101…
…0011111011101001001
322112110021011100200012
41103021222133131021
52430322333031400
6105003234121305
76310336321100
oct1231152373511
9275407140605
1089282705225
113495683999a
1215378720235
13855b338bbc
14446d941037
1524c83ded35
hex14c9a9f749

89282705225 has 18 divisors (see below), whose sum is σ = 128785748814. Its totient is φ = 61222425600.

The previous prime is 89282705209. The next prime is 89282705249. The reversal of 89282705225 is 52250728298.

It can be written as a sum of positive squares in 3 ways, for example, as 13875897616 + 75406807609 = 117796^2 + 274603^2 .

It is not a de Polignac number, because 89282705225 - 24 = 89282705209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 36440696 + ... + 36443145.

It is an arithmetic number, because the mean of its divisors is an integer number (7154763823).

Almost surely, 289282705225 is an apocalyptic number.

It is an amenable number.

89282705225 is a deficient number, since it is larger than the sum of its proper divisors (39503043589).

89282705225 is a wasteful number, since it uses less digits than its factorization.

89282705225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72883865 (or 72883853 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 89282705225 in words is "eighty-nine billion, two hundred eighty-two million, seven hundred five thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 49 175 245 1225 72883841 364419205 510186887 1822096025 2550934435 3571308209 12754672175 17856541045 89282705225