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1344775442 = 2672387721
BaseRepresentation
bin101000000100111…
…1010010100010010
310110201102200002212
41100021322110102
510223230303232
6341235112122
745216255053
oct12011722422
93421380085
101344775442
116300aa76a
12316442642
131857b431a
14ca85872a
157d0d6eb2
hex5027a512

1344775442 has 4 divisors (see below), whose sum is σ = 2017163166. Its totient is φ = 672387720.

The previous prime is 1344775427. The next prime is 1344775451. The reversal of 1344775442 is 2445774431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1073152081 + 271623361 = 32759^2 + 16481^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1344775442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336193859 + ... + 336193862.

Almost surely, 21344775442 is an apocalyptic number.

1344775442 is a deficient number, since it is larger than the sum of its proper divisors (672387724).

1344775442 is an equidigital number, since it uses as much as digits as its factorization.

1344775442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672387723.

The product of its digits is 376320, while the sum is 41.

The square root of 1344775442 is about 36671.1799919228. The cubic root of 1344775442 is about 1103.7818703900.

The spelling of 1344775442 in words is "one billion, three hundred forty-four million, seven hundred seventy-five thousand, four hundred forty-two".

Divisors: 1 2 672387721 1344775442