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1444525 = 5257781
BaseRepresentation
bin101100000101010101101
32201101111221
411200222231
5332211100
650543341
715164305
oct5405255
92641457
101444525
118a7325
12597b51
133b7664
14298605
151d801a
hex160aad

1444525 has 6 divisors (see below), whose sum is σ = 1791242. Its totient is φ = 1155600.

The previous prime is 1444523. The next prime is 1444529. The reversal of 1444525 is 5254441.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 232324 + 1212201 = 482^2 + 1101^2 .

It is not a de Polignac number, because 1444525 - 21 = 1444523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 57781 = 1444525 / (1 + 4 + 4 + 4 + 5 + 2 + 5).

It is a Duffinian number.

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 1444525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28866 + ... + 28915.

21444525 is an apocalyptic number.

It is an amenable number.

1444525 is a deficient number, since it is larger than the sum of its proper divisors (346717).

1444525 is an equidigital number, since it uses as much as digits as its factorization.

1444525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57791 (or 57786 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 1444525 is about 1201.8839378243. The cubic root of 1444525 is about 113.0424827864.

Adding to 1444525 its reverse (5254441), we get a palindrome (6698966).

The spelling of 1444525 in words is "one million, four hundred forty-four thousand, five hundred twenty-five".

Divisors: 1 5 25 57781 288905 1444525