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1227268 = 22753827
BaseRepresentation
bin100101011101000000100
32022100111101
410223220010
5303233033
642145444
713301020
oct4535004
92270441
101227268
11769079
124b2284
1333c7c3
1423d380
1519397d
hex12ba04

1227268 has 24 divisors (see below), whose sum is σ = 2503872. Its totient is φ = 515424.

The previous prime is 1227241. The next prime is 1227271. The reversal of 1227268 is 8627221.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 1071 + ... + 1897.

It is an arithmetic number, because the mean of its divisors is an integer number (104328).

21227268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1227268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1251936).

1227268 is an abundant number, since it is smaller than the sum of its proper divisors (1276604).

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

1227268 is a wasteful number, since it uses less digits than its factorization.

1227268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 889 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 1227268 is about 1107.8212852261. The cubic root of 1227268 is about 107.0647408593.

The spelling of 1227268 in words is "one million, two hundred twenty-seven thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 14 28 53 106 212 371 742 827 1484 1654 3308 5789 11578 23156 43831 87662 175324 306817 613634 1227268