Search a number
-
+
1142013 = 31512521
BaseRepresentation
bin100010110110011111101
32011000112210
410112303331
5243021023
640251033
712464325
oct4266375
92130483
101142013
11710014
12470a79
1330ca62
1421a285
15178593
hex116cfd

1142013 has 8 divisors (see below), whose sum is σ = 1533376. Its totient is φ = 756000.

The previous prime is 1142003. The next prime is 1142017. The reversal of 1142013 is 3102411.

It is a happy number.

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

It is not a de Polignac number, because 1142013 - 26 = 1141949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142017) 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, 808 + ... + 1713.

It is an arithmetic number, because the mean of its divisors is an integer number (191672).

21142013 is an apocalyptic number.

It is an amenable number.

1142013 is a deficient number, since it is larger than the sum of its proper divisors (391363).

1142013 is a wasteful number, since it uses less digits than its factorization.

1142013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1142013 is about 1068.6500830487. The cubic root of 1142013 is about 104.5258439014.

Adding to 1142013 its reverse (3102411), we get a palindrome (4244424).

It can be divided in two parts, 11 and 42013, that added together give a palindrome (42024).

The spelling of 1142013 in words is "one million, one hundred forty-two thousand, thirteen".

Divisors: 1 3 151 453 2521 7563 380671 1142013