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1283226 = 23730553
BaseRepresentation
bin100111001010010011010
32102012020220
410321102122
5312030401
643300510
713623120
oct4712232
92365226
101283226
117a711a
1251a736
1335c109
14255910
151a5336
hex13949a

1283226 has 16 divisors (see below), whose sum is σ = 2933184. Its totient is φ = 366624.

The previous prime is 1283207. The next prime is 1283237. The reversal of 1283226 is 6223821.

It is a junction number, because it is equal to n+sod(n) for n = 1283196 and 1283205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15235 + ... + 15318.

It is an arithmetic number, because the mean of its divisors is an integer number (183324).

21283226 is an apocalyptic number.

1283226 is an abundant number, since it is smaller than the sum of its proper divisors (1649958).

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

1283226 is a wasteful number, since it uses less digits than its factorization.

1283226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30565.

The product of its digits is 1152, while the sum is 24.

The square root of 1283226 is about 1132.7956567713. The cubic root of 1283226 is about 108.6678438822.

It can be divided in two parts, 12 and 83226, that added together give a palindrome (83238).

The spelling of 1283226 in words is "one million, two hundred eighty-three thousand, two hundred twenty-six".

Divisors: 1 2 3 6 7 14 21 42 30553 61106 91659 183318 213871 427742 641613 1283226