Search a number
-
+
1430401141 = 13110030857
BaseRepresentation
bin101010101000010…
…0011000001110101
310200200112220111001
41111100203001311
510412140314031
6353534243301
750306131501
oct12520430165
93620486431
101430401141
11674473604
1233b056531
1319a464210
14d7d87301
158589c861
hex55423075

1430401141 has 4 divisors (see below), whose sum is σ = 1540432012. Its totient is φ = 1320370272.

The previous prime is 1430401129. The next prime is 1430401169. The reversal of 1430401141 is 1411040341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1411040341 = 1783002373.

It can be written as a sum of positive squares in 2 ways, for example, as 279224100 + 1151177041 = 16710^2 + 33929^2 .

It is not a de Polignac number, because 1430401141 - 211 = 1430399093 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 (1430401741) 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, 55015416 + ... + 55015441.

It is an arithmetic number, because the mean of its divisors is an integer number (385108003).

Almost surely, 21430401141 is an apocalyptic number.

It is an amenable number.

1430401141 is a deficient number, since it is larger than the sum of its proper divisors (110030871).

1430401141 is a wasteful number, since it uses less digits than its factorization.

1430401141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110030870.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1430401141 is about 37820.6443757903. The cubic root of 1430401141 is about 1126.7285075802.

Adding to 1430401141 its reverse (1411040341), we get a palindrome (2841441482).

The spelling of 1430401141 in words is "one billion, four hundred thirty million, four hundred one thousand, one hundred forty-one".

Divisors: 1 13 110030857 1430401141