Search a number
-
+
89540223 = 3167313571
BaseRepresentation
bin1010101011001…
…00011001111111
320020111010002120
411111210121333
5140410241343
612515054023
72135036133
oct525443177
9206433076
1089540223
11465a7993
1225ba1313
13157208a6
14bc6b3c3
157cda683
hex556467f

89540223 has 16 divisors (see below), whose sum is σ = 120696576. Its totient is φ = 59042880.

The previous prime is 89540221. The next prime is 89540251. The reversal of 89540223 is 32204598.

It is a happy number.

It is not a de Polignac number, because 89540223 - 21 = 89540221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89540221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156528 + ... + 157098.

It is an arithmetic number, because the mean of its divisors is an integer number (7543536).

Almost surely, 289540223 is an apocalyptic number.

89540223 is a deficient number, since it is larger than the sum of its proper divisors (31156353).

89540223 is a wasteful number, since it uses less digits than its factorization.

89540223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 89540223 is about 9462.5695770229. The cubic root of 89540223 is about 447.3760429848.

The spelling of 89540223 in words is "eighty-nine million, five hundred forty thousand, two hundred twenty-three".

Divisors: 1 3 167 313 501 571 939 1713 52271 95357 156813 178723 286071 536169 29846741 89540223