Search a number
-
+
89200837 = 1121375381
BaseRepresentation
bin1010101000100…
…01100011000101
320012211212112201
411110101203011
5140313411322
612503514501
72132123515
oct524214305
9205755481
1089200837
1146395a00
1225a58a31
131563227b
14bbbd845
157c6ed27
hex55118c5

89200837 has 12 divisors (see below), whose sum is σ = 98781228. Its totient is φ = 80484800.

The previous prime is 89200777. The next prime is 89200841. The reversal of 89200837 is 73800298.

It can be written as a sum of positive squares in 2 ways, for example, as 40564161 + 48636676 = 6369^2 + 6974^2 .

It is a de Polignac number, because none of the positive numbers 2k-89200837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89200796 and 89200805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89200337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13887 + ... + 19267.

It is an arithmetic number, because the mean of its divisors is an integer number (8231769).

Almost surely, 289200837 is an apocalyptic number.

It is an amenable number.

89200837 is a deficient number, since it is larger than the sum of its proper divisors (9580391).

89200837 is a wasteful number, since it uses less digits than its factorization.

89200837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540 (or 5529 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 89200837 is about 9444.6194735415. The cubic root of 89200837 is about 446.8100947155.

The spelling of 89200837 in words is "eighty-nine million, two hundred thousand, eight hundred thirty-seven".

Divisors: 1 11 121 137 1507 5381 16577 59191 651101 737197 8109167 89200837