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1395427 = 11126857
BaseRepresentation
bin101010100101011100011
32121220011111
411110223203
5324123202
645524151
714601205
oct5245343
92556144
101395427
11873450
12573657
1339b1c7
14284775
151c86d7
hex154ae3

1395427 has 4 divisors (see below), whose sum is σ = 1522296. Its totient is φ = 1268560.

The previous prime is 1395419. The next prime is 1395439. The reversal of 1395427 is 7245931.

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

It is a cyclic number.

It is not a de Polignac number, because 1395427 - 23 = 1395419 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1395467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63418 + ... + 63439.

It is an arithmetic number, because the mean of its divisors is an integer number (380574).

21395427 is an apocalyptic number.

1395427 is a deficient number, since it is larger than the sum of its proper divisors (126869).

1395427 is a wasteful number, since it uses less digits than its factorization.

1395427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126868.

The product of its digits is 7560, while the sum is 31.

The square root of 1395427 is about 1181.2819307854. The cubic root of 1395427 is about 111.7469574283.

The spelling of 1395427 in words is "one million, three hundred ninety-five thousand, four hundred twenty-seven".

Divisors: 1 11 126857 1395427