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1223008 = 2538219
BaseRepresentation
bin100101010100101100000
32022010122121
410222211200
5303114013
642114024
713252423
oct4524540
92263577
101223008
11765956
124ab914
1333a897
1423b9ba
1519258d
hex12a960

1223008 has 12 divisors (see below), whose sum is σ = 2407860. Its totient is φ = 611488.

The previous prime is 1223003. The next prime is 1223021. The reversal of 1223008 is 8003221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1222982 and 1223000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19078 + ... + 19141.

It is an arithmetic number, because the mean of its divisors is an integer number (200655).

21223008 is an apocalyptic number.

It is an amenable number.

1223008 is a deficient number, since it is larger than the sum of its proper divisors (1184852).

1223008 is an equidigital number, since it uses as much as digits as its factorization.

1223008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38229 (or 38221 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1223008 is about 1105.8969210555. The cubic root of 1223008 is about 106.9407189022.

Adding to 1223008 its reverse (8003221), we get a palindrome (9226229).

The spelling of 1223008 in words is "one million, two hundred twenty-three thousand, eight".

Divisors: 1 2 4 8 16 32 38219 76438 152876 305752 611504 1223008