Search a number
-
+
1012013 = 2934897
BaseRepresentation
bin11110111000100101101
31220102012222
43313010231
5224341023
633405125
711413322
oct3670455
91812188
101012013
11631382
124097a5
13295832
141c4b49
1514ecc8
hexf712d

1012013 has 4 divisors (see below), whose sum is σ = 1046940. Its totient is φ = 977088.

The previous prime is 1012009. The next prime is 1012031. The reversal of 1012013 is 3102101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 232324 + 779689 = 482^2 + 883^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012013 - 22 = 1012009 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 (1012043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17420 + ... + 17477.

It is an arithmetic number, because the mean of its divisors is an integer number (261735).

21012013 is an apocalyptic number.

It is an amenable number.

1012013 is a deficient number, since it is larger than the sum of its proper divisors (34927).

1012013 is an equidigital number, since it uses as much as digits as its factorization.

1012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34926.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1012013 is about 1005.9885685235. The cubic root of 1012013 is about 100.3988404812.

Adding to 1012013 its reverse (3102101), we get a palindrome (4114114).

The spelling of 1012013 in words is "one million, twelve thousand, thirteen".

Divisors: 1 29 34897 1012013