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1268448 = 25373181
BaseRepresentation
bin100110101101011100000
32101102222120
410311223200
5311042243
643104240
713532046
oct4655340
92342876
101268448
11797005
12512080
1335547c
14250396
151a0c83
hex135ae0

1268448 has 48 divisors (see below), whose sum is σ = 3393936. Its totient is φ = 414720.

The previous prime is 1268447. The next prime is 1268453. The reversal of 1268448 is 8448621.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268447) 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, 6918 + ... + 7098.

It is an arithmetic number, because the mean of its divisors is an integer number (70707).

21268448 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 1268448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1696968).

1268448 is an abundant number, since it is smaller than the sum of its proper divisors (2125488).

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

1268448 is a wasteful number, since it uses less digits than its factorization.

1268448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 259 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 1268448 is about 1126.2539678066. The cubic root of 1268448 is about 108.2490821606.

The spelling of 1268448 in words is "one million, two hundred sixty-eight thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 73 96 146 181 219 292 362 438 543 584 724 876 1086 1168 1448 1752 2172 2336 2896 3504 4344 5792 7008 8688 13213 17376 26426 39639 52852 79278 105704 158556 211408 317112 422816 634224 1268448