Search a number
-
+
87086224 = 2423332
BaseRepresentation
bin1010011000011…
…01010010010000
320001212102211201
411030031102100
5134243224344
612350320544
72105135461
oct514152220
9201772751
1087086224
1145181195
12251b9154
1315071914
14b7ccd68
1579a34d4
hex530d490

87086224 has 15 divisors (see below), whose sum is σ = 168801913. Its totient is φ = 43524448.

The previous prime is 87086221. The next prime is 87086231. The reversal of 87086224 is 42268078.

The square root of 87086224 is 9332.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 29811600 + 57274624 = 5460^2 + 7568^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87086221) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 36162 + ... + 38494.

Almost surely, 287086224 is an apocalyptic number.

87086224 is the 9332-nd square number.

It is an amenable number.

87086224 is a deficient number, since it is larger than the sum of its proper divisors (81715689).

87086224 is an frugal number, since it uses more digits than its factorization.

87086224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674 (or 2335 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The cubic root of 87086224 is about 443.2510979936.

The spelling of 87086224 in words is "eighty-seven million, eighty-six thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 2333 4666 9332 18664 37328 5442889 10885778 21771556 43543112 87086224