Search a number
-
+
6551230 = 257313019
BaseRepresentation
bin11000111111011010111110
3110022211121011
4120333122332
53134114410
6352225434
7106453540
oct30773276
913284534
106551230
113775044
12223b27a
131484b8a
14c27690
1589618a
hex63f6be

6551230 has 32 divisors (see below), whose sum is σ = 13916160. Its totient is φ = 2172960.

The previous prime is 6551213. The next prime is 6551231. The reversal of 6551230 is 321556.

It is a happy number.

It is a super-2 number, since 2×65512302 = 85837229025800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6551231) 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, 661 + ... + 3679.

It is an arithmetic number, because the mean of its divisors is an integer number (434880).

Almost surely, 26551230 is an apocalyptic number.

6551230 is an abundant number, since it is smaller than the sum of its proper divisors (7364930).

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

6551230 is a wasteful number, since it uses less digits than its factorization.

6551230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 6551230 is about 2559.5370675183. The cubic root of 6551230 is about 187.1145741858.

Adding to 6551230 its reverse (321556), we get a palindrome (6872786).

The spelling of 6551230 in words is "six million, five hundred fifty-one thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 1085 2170 3019 6038 15095 21133 30190 42266 93589 105665 187178 211330 467945 655123 935890 1310246 3275615 6551230