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1425073 = 13109621
BaseRepresentation
bin101011011111010110001
32200101211111
411123322301
5331100243
650313321
715053506
oct5337261
92611744
101425073
11893751
12588841
133ab850
142914ad
151d239d
hex15beb1

1425073 has 4 divisors (see below), whose sum is σ = 1534708. Its totient is φ = 1315440.

The previous prime is 1425071. The next prime is 1425077. The reversal of 1425073 is 3705241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 535824 + 889249 = 732^2 + 943^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425073 - 21 = 1425071 is a prime.

It is a Duffinian number.

1425073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1425071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54798 + ... + 54823.

It is an arithmetic number, because the mean of its divisors is an integer number (383677).

21425073 is an apocalyptic number.

1425073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1425073 is a deficient number, since it is larger than the sum of its proper divisors (109635).

1425073 is a wasteful number, since it uses less digits than its factorization.

1425073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109634.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 1425073 is about 1193.7642145751. The cubic root of 1425073 is about 112.5327772806.

The spelling of 1425073 in words is "one million, four hundred twenty-five thousand, seventy-three".

Divisors: 1 13 109621 1425073