Search a number
-
+
1275006 = 23212501
BaseRepresentation
bin100110111010001111110
32101202222110
410313101332
5311300011
643154450
713560135
oct4672176
92352873
101275006
117a0a27
12515a26
13358455
1425291c
151a2ba6
hex13747e

1275006 has 8 divisors (see below), whose sum is σ = 2550024. Its totient is φ = 425000.

The previous prime is 1274989. The next prime is 1275011. The reversal of 1275006 is 6005721.

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

1275006 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 106245 + ... + 106256.

It is an arithmetic number, because the mean of its divisors is an integer number (318753).

21275006 is an apocalyptic number.

1275006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1275006 is a wasteful number, since it uses less digits than its factorization.

1275006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212506.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1275006 is about 1129.1616359052. The cubic root of 1275006 is about 108.4353143566.

The spelling of 1275006 in words is "one million, two hundred seventy-five thousand, six".

Divisors: 1 2 3 6 212501 425002 637503 1275006