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1445056 = 2667337
BaseRepresentation
bin101100000110011000000
32201102020121
411200303000
5332220211
650550024
715165664
oct5406300
92642217
101445056
118a7768
12598314
133b7982
142988a4
151d8271
hex160cc0

1445056 has 28 divisors (see below), whose sum is σ = 2918968. Its totient is φ = 709632.

The previous prime is 1445053. The next prime is 1445057. The reversal of 1445056 is 6505441.

It is a self number, because there is not a number n which added to its sum of digits gives 1445056.

It is not an unprimeable number, because it can be changed into a prime (1445053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4120 + ... + 4456.

21445056 is an apocalyptic number.

1445056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1459484).

1445056 is an abundant number, since it is smaller than the sum of its proper divisors (1473912).

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

1445056 is an equidigital number, since it uses as much as digits as its factorization.

1445056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1445056 is about 1202.1048207207. The cubic root of 1445056 is about 113.0563323690.

The spelling of 1445056 in words is "one million, four hundred forty-five thousand, fifty-six".

Divisors: 1 2 4 8 16 32 64 67 134 268 337 536 674 1072 1348 2144 2696 4288 5392 10784 21568 22579 45158 90316 180632 361264 722528 1445056