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1452214405 = 5290442881
BaseRepresentation
bin101011010001111…
…0000100010000101
310202012121010122201
41112203300202011
510433231330110
6400033554501
750662422145
oct12643604205
93665533581
101452214405
116858121a4
12346415a31
131a1b30a85
14dac24925
158775ab3a
hex568f0885

1452214405 has 4 divisors (see below), whose sum is σ = 1742657292. Its totient is φ = 1161771520.

The previous prime is 1452214399. The next prime is 1452214427. The reversal of 1452214405 is 5044122541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5044122541 = 6340979549.

It can be written as a sum of positive squares in 2 ways, for example, as 686806849 + 765407556 = 26207^2 + 27666^2 .

It is not a de Polignac number, because 1452214405 - 27 = 1452214277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 145221436 + ... + 145221445.

It is an arithmetic number, because the mean of its divisors is an integer number (435664323).

Almost surely, 21452214405 is an apocalyptic number.

It is an amenable number.

1452214405 is a deficient number, since it is larger than the sum of its proper divisors (290442887).

1452214405 is an equidigital number, since it uses as much as digits as its factorization.

1452214405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290442886.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1452214405 is about 38107.9309986780. The cubic root of 1452214405 is about 1132.4270815115.

Adding to 1452214405 its reverse (5044122541), we get a palindrome (6496336946).

The spelling of 1452214405 in words is "one billion, four hundred fifty-two million, two hundred fourteen thousand, four hundred five".

Divisors: 1 5 290442881 1452214405