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1430441121 = 3476813707
BaseRepresentation
bin101010101000010…
…1100110010100001
310200200121221022210
41111100230302201
510412143103441
6353535152333
750306356164
oct12520546241
93620557283
101430441121
116744a064a
1233b0756a9
1319a479485
14d7d97adb
15858a9616
hex5542cca1

1430441121 has 4 divisors (see below), whose sum is σ = 1907254832. Its totient is φ = 953627412.

The previous prime is 1430441107. The next prime is 1430441137. The reversal of 1430441121 is 1211440341.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1211440341 = 3403813447.

It is not a de Polignac number, because 1430441121 - 26 = 1430441057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1430441101) 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, 238406851 + ... + 238406856.

It is an arithmetic number, because the mean of its divisors is an integer number (476813708).

Almost surely, 21430441121 is an apocalyptic number.

It is an amenable number.

1430441121 is a deficient number, since it is larger than the sum of its proper divisors (476813711).

1430441121 is an equidigital number, since it uses as much as digits as its factorization.

1430441121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476813710.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1430441121 is about 37821.1729194112. The cubic root of 1430441121 is about 1126.7390049119.

Adding to 1430441121 its reverse (1211440341), we get a palindrome (2641881462).

The spelling of 1430441121 in words is "one billion, four hundred thirty million, four hundred forty-one thousand, one hundred twenty-one".

Divisors: 1 3 476813707 1430441121