Search a number
-
+
89509460 = 2254475473
BaseRepresentation
bin1010101010111…
…00111001010100
320020102112220012
411111130321110
5140403300320
612514255352
72134550345
oct525347124
9206375805
1089509460
1146586867
1225b87558
131570c8a1
14bc600cc
157cd14c5
hex555ce54

89509460 has 12 divisors (see below), whose sum is σ = 187969908. Its totient is φ = 35803776.

The previous prime is 89509451. The next prime is 89509463. The reversal of 89509460 is 6490598.

It can be written as a sum of positive squares in 2 ways, for example, as 30096196 + 59413264 = 5486^2 + 7708^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89509463) 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, 2237717 + ... + 2237756.

It is an arithmetic number, because the mean of its divisors is an integer number (15664159).

Almost surely, 289509460 is an apocalyptic number.

It is an amenable number.

89509460 is an abundant number, since it is smaller than the sum of its proper divisors (98460448).

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

89509460 is a wasteful number, since it uses less digits than its factorization.

89509460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4475482 (or 4475480 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 89509460 is about 9460.9439275370. The cubic root of 89509460 is about 447.3248026775.

The spelling of 89509460 in words is "eighty-nine million, five hundred nine thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 4475473 8950946 17901892 22377365 44754730 89509460