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1445741 = 11131431
BaseRepresentation
bin101100000111101101101
32201110011222
411200331231
5332230431
650553125
715200663
oct5407555
92643158
101445741
118a8230
125987a5
133b808b
14298c33
151d857b
hex160f6d

1445741 has 4 divisors (see below), whose sum is σ = 1577184. Its totient is φ = 1314300.

The previous prime is 1445723. The next prime is 1445749. The reversal of 1445741 is 1475441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1445741 - 218 = 1183597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1445741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65705 + ... + 65726.

It is an arithmetic number, because the mean of its divisors is an integer number (394296).

21445741 is an apocalyptic number.

1445741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1445741 is a deficient number, since it is larger than the sum of its proper divisors (131443).

1445741 is a wasteful number, since it uses less digits than its factorization.

1445741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131442.

The product of its digits is 2240, while the sum is 26.

The square root of 1445741 is about 1202.3897038814. The cubic root of 1445741 is about 113.0741935809.

It can be divided in two parts, 144 and 5741, that added together give a palindrome (5885).

The spelling of 1445741 in words is "one million, four hundred forty-five thousand, seven hundred forty-one".

Divisors: 1 11 131431 1445741