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662228 = 22767353
BaseRepresentation
bin10100001101011010100
31020122101222
42201223110
5132142403
622105512
75425460
oct2415324
91218358
10662228
114125a6
1227b298
131a2568
141334a0
15d1338
hexa1ad4

662228 has 24 divisors (see below), whose sum is σ = 1348032. Its totient is φ = 278784.

The previous prime is 662227. The next prime is 662231. The reversal of 662228 is 822266.

It is a junction number, because it is equal to n+sod(n) for n = 662197 and 662206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1700 + ... + 2052.

It is an arithmetic number, because the mean of its divisors is an integer number (56168).

2662228 is an apocalyptic number.

It is an amenable number.

662228 is an abundant number, since it is smaller than the sum of its proper divisors (685804).

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

662228 is a wasteful number, since it uses less digits than its factorization.

662228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 429 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 662228 is about 813.7739243795. The cubic root of 662228 is about 87.1637379737.

The spelling of 662228 in words is "six hundred sixty-two thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 28 67 134 268 353 469 706 938 1412 1876 2471 4942 9884 23651 47302 94604 165557 331114 662228