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1454440121 = 2363236527
BaseRepresentation
bin101011010110000…
…1111111010111001
310202100210012202122
41112230033322321
510434314040441
6400153411025
751020352131
oct12654177271
93670705678
101454440121
11686aa2432
12347109a75
131a242cb74
14db243ac1
1587a4a34b
hex56b0feb9

1454440121 has 4 divisors (see below), whose sum is σ = 1517676672. Its totient is φ = 1391203572.

The previous prime is 1454440079. The next prime is 1454440129. The reversal of 1454440121 is 1210444541.

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 1454440121 - 222 = 1450245817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1454440129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31618241 + ... + 31618286.

It is an arithmetic number, because the mean of its divisors is an integer number (379419168).

Almost surely, 21454440121 is an apocalyptic number.

It is an amenable number.

1454440121 is a deficient number, since it is larger than the sum of its proper divisors (63236551).

1454440121 is an equidigital number, since it uses as much as digits as its factorization.

1454440121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63236550.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 1454440121 is about 38137.1226103910. The cubic root of 1454440121 is about 1133.0053190204.

Adding to 1454440121 its reverse (1210444541), we get a palindrome (2664884662).

The spelling of 1454440121 in words is "one billion, four hundred fifty-four million, four hundred forty thousand, one hundred twenty-one".

Divisors: 1 23 63236527 1454440121