Search a number
-
+
1026001 = 1760353
BaseRepresentation
bin11111010011111010001
31221010102001
43322133101
5230313001
633554001
711502154
oct3723721
91833361
101026001
11640939
12415901
1329c002
141c9c9b
15154001
hexfa7d1

1026001 has 4 divisors (see below), whose sum is σ = 1086372. Its totient is φ = 965632.

The previous prime is 1025957. The next prime is 1026029. The reversal of 1026001 is 1006201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1006201 = 7143743.

It can be written as a sum of positive squares in 2 ways, for example, as 384400 + 641601 = 620^2 + 801^2 .

It is a cyclic number.

It is not a de Polignac number, because 1026001 - 27 = 1025873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1026031) 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, 30160 + ... + 30193.

It is an arithmetic number, because the mean of its divisors is an integer number (271593).

21026001 is an apocalyptic number.

It is an amenable number.

1026001 is a deficient number, since it is larger than the sum of its proper divisors (60371).

1026001 is an equidigital number, since it uses as much as digits as its factorization.

1026001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60370.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1026001 is about 1012.9170745920. The cubic root of 1026001 is about 100.8592949717.

The spelling of 1026001 in words is "one million, twenty-six thousand, one".

Divisors: 1 17 60353 1026001