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1450393457 = 1870177557
BaseRepresentation
bin101011001110011…
…0011111101110001
310202002011121210012
41112130303331301
510432300042312
6355530544305
750641066232
oct12634637561
93662147705
101450393457
11684789087
12345898095
131a1643ca6
14da8ad089
15874eb322
hex56733f71

1450393457 has 4 divisors (see below), whose sum is σ = 1450489716. Its totient is φ = 1450297200.

The previous prime is 1450393447. The next prime is 1450393463. The reversal of 1450393457 is 7543930541.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 247621696 + 1202771761 = 15736^2 + 34681^2 .

It is a cyclic number.

It is not a de Polignac number, because 1450393457 - 224 = 1433616241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1450393447) 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, 20078 + ... + 57479.

It is an arithmetic number, because the mean of its divisors is an integer number (362622429).

Almost surely, 21450393457 is an apocalyptic number.

It is an amenable number.

1450393457 is a deficient number, since it is larger than the sum of its proper divisors (96259).

1450393457 is an equidigital number, since it uses as much as digits as its factorization.

1450393457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96258.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 1450393457 is about 38084.0315224111. The cubic root of 1450393457 is about 1131.9535625150.

The spelling of 1450393457 in words is "one billion, four hundred fifty million, three hundred ninety-three thousand, four hundred fifty-seven".

Divisors: 1 18701 77557 1450393457