Search a number
-
+
1325311 = 13971051
BaseRepresentation
bin101000011100011111111
32111022222121
411003203333
5314402221
644223411
714156611
oct5034377
92438877
101325311
118257a9
1253ab67
13375310
14266db1
151b2a41
hex1438ff

1325311 has 8 divisors (see below), whose sum is σ = 1443344. Its totient is φ = 1209600.

The previous prime is 1325309. The next prime is 1325333. The reversal of 1325311 is 1135231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 8-Lehmer number, since φ(1325311) divides (1325311-1)8.

It is a cyclic number.

It is not a de Polignac number, because 1325311 - 21 = 1325309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325351) 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 7 ways as a sum of consecutive naturals, for example, 736 + ... + 1786.

It is an arithmetic number, because the mean of its divisors is an integer number (180418).

21325311 is an apocalyptic number.

1325311 is a deficient number, since it is larger than the sum of its proper divisors (118033).

1325311 is a wasteful number, since it uses less digits than its factorization.

1325311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161.

The product of its digits is 90, while the sum is 16.

The square root of 1325311 is about 1151.2215251636. The cubic root of 1325311 is about 109.8430544169.

The spelling of 1325311 in words is "one million, three hundred twenty-five thousand, three hundred eleven".

Divisors: 1 13 97 1051 1261 13663 101947 1325311