Search a number
-
+
1424432141 = 11129493831
BaseRepresentation
bin101010011100111…
…0001110000001101
310200021022122112222
41110321301300031
510404123312031
6353202305125
750204321246
oct12471616015
93607278488
101424432141
11671066a50
123390581a5
13199154372
14d7271ccd
15850bde7b
hex54e71c0d

1424432141 has 4 divisors (see below), whose sum is σ = 1553925984. Its totient is φ = 1294938300.

The previous prime is 1424432131. The next prime is 1424432153. The reversal of 1424432141 is 1412344241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1424432141 - 26 = 1424432077 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 1424432141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424432101) 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, 64746905 + ... + 64746926.

It is an arithmetic number, because the mean of its divisors is an integer number (388481496).

Almost surely, 21424432141 is an apocalyptic number.

1424432141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1424432141 is a deficient number, since it is larger than the sum of its proper divisors (129493843).

1424432141 is a wasteful number, since it uses less digits than its factorization.

1424432141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129493842.

The product of its digits is 3072, while the sum is 26.

The square root of 1424432141 is about 37741.6499506845. The cubic root of 1424432141 is about 1125.1590599133.

Adding to 1424432141 its reverse (1412344241), we get a palindrome (2836776382).

The spelling of 1424432141 in words is "one billion, four hundred twenty-four million, four hundred thirty-two thousand, one hundred forty-one".

Divisors: 1 11 129493831 1424432141