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1445450 = 25228909
BaseRepresentation
bin101100000111001001010
32201102210012
411200321022
5332223300
650551522
715200066
oct5407112
92642705
101445450
118a7a96
125985a2
133b7bc6
14298aa6
151d8435
hex160e4a

1445450 has 12 divisors (see below), whose sum is σ = 2688630. Its totient is φ = 578160.

The previous prime is 1445443. The next prime is 1445453. The reversal of 1445450 is 545441.

It can be written as a sum of positive squares in 3 ways, for example, as 1408969 + 36481 = 1187^2 + 191^2 .

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (1445453) 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, 14405 + ... + 14504.

21445450 is an apocalyptic number.

1445450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1445450 is a deficient number, since it is larger than the sum of its proper divisors (1243180).

1445450 is a wasteful number, since it uses less digits than its factorization.

1445450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28921 (or 28916 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1445450 is about 1202.2686887714. The cubic root of 1445450 is about 113.0666065146.

Subtracting from 1445450 its reverse (545441), we obtain a palindrome (900009).

The spelling of 1445450 in words is "one million, four hundred forty-five thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 28909 57818 144545 289090 722725 1445450