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1325231 = 1923671
BaseRepresentation
bin101000011100010101111
32111022212122
411003202233
5314401411
644223155
714156435
oct5034257
92438778
101325231
11825736
1253aabb
1337527b
14266d55
151b29db
hex1438af

1325231 has 6 divisors (see below), whose sum is σ = 1399032. Its totient is φ = 1255140.

The previous prime is 1325227. The next prime is 1325251.

1325231 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1325231 - 22 = 1325227 is a prime.

It is a super-2 number, since 2×13252312 = 3512474406722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325251) 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 5 ways as a sum of consecutive naturals, for example, 1475 + ... + 2196.

It is an arithmetic number, because the mean of its divisors is an integer number (233172).

21325231 is an apocalyptic number.

1325231 is a deficient number, since it is larger than the sum of its proper divisors (73801).

1325231 is an equidigital number, since it uses as much as digits as its factorization.

1325231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709 (or 3690 counting only the distinct ones).

The product of its digits is 180, while the sum is 17.

The square root of 1325231 is about 1151.1867789373. The cubic root of 1325231 is about 109.8408442134.

The spelling of 1325231 in words is "one million, three hundred twenty-five thousand, two hundred thirty-one".

Divisors: 1 19 361 3671 69749 1325231