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1445201 = 5712531
BaseRepresentation
bin101100000110101010001
32201102102222
411200311101
5332221301
650550425
715166262
oct5406521
92642388
101445201
118a788a
12598415
133b7a64
14298969
151d831b
hex160d51

1445201 has 4 divisors (see below), whose sum is σ = 1448304. Its totient is φ = 1442100.

The previous prime is 1445179. The next prime is 1445207. The reversal of 1445201 is 1025441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1025441 = 1516791.

It is a cyclic number.

It is not a de Polignac number, because 1445201 - 26 = 1445137 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 1445201.

It is not an unprimeable number, because it can be changed into a prime (1445207) 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, 695 + ... + 1836.

It is an arithmetic number, because the mean of its divisors is an integer number (362076).

21445201 is an apocalyptic number.

It is an amenable number.

1445201 is a deficient number, since it is larger than the sum of its proper divisors (3103).

1445201 is an equidigital number, since it uses as much as digits as its factorization.

1445201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1445201 is about 1202.1651300882. The cubic root of 1445201 is about 113.0601136804.

The spelling of 1445201 in words is "one million, four hundred forty-five thousand, two hundred one".

Divisors: 1 571 2531 1445201