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1454314021 = 4633141067
BaseRepresentation
bin101011010101111…
…0001001000100101
310202100112210210021
41112223301020211
510434301022041
6400150555141
751016315366
oct12653611045
93670483707
101454314021
11686a16716
12347068ab1
131a23b7654
14db20db6d
1587a22cd1
hex56af1225

1454314021 has 4 divisors (see below), whose sum is σ = 1457455552. Its totient is φ = 1451172492.

The previous prime is 1454314019. The next prime is 1454314027. The reversal of 1454314021 is 1204134541.

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: 1204134541 = 6771778633.

It is a cyclic number.

It is not a de Polignac number, because 1454314021 - 21 = 1454314019 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 (1454314027) 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, 1570071 + ... + 1570996.

It is an arithmetic number, because the mean of its divisors is an integer number (364363888).

Almost surely, 21454314021 is an apocalyptic number.

It is an amenable number.

1454314021 is a deficient number, since it is larger than the sum of its proper divisors (3141531).

1454314021 is an equidigital number, since it uses as much as digits as its factorization.

1454314021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141530.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1454314021 is about 38135.4693297460. The cubic root of 1454314021 is about 1132.9725742095.

Adding to 1454314021 its reverse (1204134541), we get a palindrome (2658448562).

The spelling of 1454314021 in words is "one billion, four hundred fifty-four million, three hundred fourteen thousand, twenty-one".

Divisors: 1 463 3141067 1454314021