Search a number
-
+
2544142 = 21272071
BaseRepresentation
bin1001101101001000001110
311210020220111
421231020032
51122403032
6130310234
730424216
oct11551016
94706814
102544142
1114884a7
12a2837a
136b1013
144a3246
15353c47
hex26d20e

2544142 has 4 divisors (see below), whose sum is σ = 3816216. Its totient is φ = 1272070.

The previous prime is 2544137. The next prime is 2544161. The reversal of 2544142 is 2414452.

It is a happy number.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636034 + ... + 636037.

It is an arithmetic number, because the mean of its divisors is an integer number (954054).

22544142 is an apocalyptic number.

2544142 is a deficient number, since it is larger than the sum of its proper divisors (1272074).

2544142 is a wasteful number, since it uses less digits than its factorization.

2544142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272073.

The product of its digits is 1280, while the sum is 22.

The square root of 2544142 is about 1595.0366766943. The cubic root of 2544142 is about 136.5150238174.

Adding to 2544142 its reverse (2414452), we get a palindrome (4958594).

The spelling of 2544142 in words is "two million, five hundred forty-four thousand, one hundred forty-two".

Divisors: 1 2 1272071 2544142