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1344457754 = 2672228877
BaseRepresentation
bin101000000100010…
…1100110000011010
310110200211112022122
41100020230300122
510223140122004
6341224221242
745213462623
oct12010546032
93420745278
101344457754
1162aa03012
1231630a822
13185702843
14ca7b4a4a
157d072cbe
hex5022cc1a

1344457754 has 4 divisors (see below), whose sum is σ = 2016686634. Its totient is φ = 672228876.

The previous prime is 1344457753. The next prime is 1344457781. The reversal of 1344457754 is 4577544431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4577544431 = 43037106363.

It can be written as a sum of positive squares in only one way, i.e., 1258617529 + 85840225 = 35477^2 + 9265^2 .

It is not an unprimeable number, because it can be changed into a prime (1344457753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336114437 + ... + 336114440.

Almost surely, 21344457754 is an apocalyptic number.

1344457754 is a deficient number, since it is larger than the sum of its proper divisors (672228880).

1344457754 is an equidigital number, since it uses as much as digits as its factorization.

1344457754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672228879.

The product of its digits is 940800, while the sum is 44.

The square root of 1344457754 is about 36666.8481601569. The cubic root of 1344457754 is about 1103.6949448804.

The spelling of 1344457754 in words is "one billion, three hundred forty-four million, four hundred fifty-seven thousand, seven hundred fifty-four".

Divisors: 1 2 672228877 1344457754