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1441264 = 241119431
BaseRepresentation
bin101011111110111110000
32201020001011
411133313300
5332110024
650520304
715151636
oct5376760
92636034
101441264
118a4930
12596094
133b6026
14297356
151d7094
hex15fdf0

1441264 has 40 divisors (see below), whose sum is σ = 3214080. Its totient is φ = 619200.

The previous prime is 1441259. The next prime is 1441289. The reversal of 1441264 is 4621441.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 3129 + ... + 3559.

It is an arithmetic number, because the mean of its divisors is an integer number (80352).

21441264 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 1441264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607040).

1441264 is an abundant number, since it is smaller than the sum of its proper divisors (1772816).

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

1441264 is a wasteful number, since it uses less digits than its factorization.

1441264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 463 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 1441264 is about 1200.5265511433. The cubic root of 1441264 is about 112.9573546235.

The spelling of 1441264 in words is "one million, four hundred forty-one thousand, two hundred sixty-four".

Divisors: 1 2 4 8 11 16 19 22 38 44 76 88 152 176 209 304 418 431 836 862 1672 1724 3344 3448 4741 6896 8189 9482 16378 18964 32756 37928 65512 75856 90079 131024 180158 360316 720632 1441264