Search a number
-
+
662241 = 3220747
BaseRepresentation
bin10100001101011100001
31020122102110
42201223201
5132142431
622105533
75425506
oct2415341
91218373
10662241
11412608
1227b2a9
131a2578
141334ad
15d1346
hexa1ae1

662241 has 4 divisors (see below), whose sum is σ = 882992. Its totient is φ = 441492.

The previous prime is 662231. The next prime is 662251. The reversal of 662241 is 142266.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (662231) and next prime (662251).

It is not a de Polignac number, because 662241 - 26 = 662177 is a prime.

It is a D-number.

It is a Duffinian number.

662241 is a lucky number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (662231) 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, 110371 + ... + 110376.

It is an arithmetic number, because the mean of its divisors is an integer number (220748).

2662241 is an apocalyptic number.

It is an amenable number.

662241 is a deficient number, since it is larger than the sum of its proper divisors (220751).

662241 is a wasteful number, since it uses less digits than its factorization.

662241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220750.

The product of its digits is 576, while the sum is 21.

The square root of 662241 is about 813.7819118167. The cubic root of 662241 is about 87.1643083317.

It can be divided in two parts, 662 and 241, that added together give a triangular number (903 = T42).

The spelling of 662241 in words is "six hundred sixty-two thousand, two hundred forty-one".

Divisors: 1 3 220747 662241