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1343485394 = 2671742697
BaseRepresentation
bin101000000010011…
…1111010111010010
310110122000010111022
41100010333113102
510222413013034
6341151315442
745202303016
oct12004772722
93418003438
101343485394
1162a3a9509
12315b1bb82
13185452094
14ca600546
157ce2eb2e
hex5013f5d2

1343485394 has 4 divisors (see below), whose sum is σ = 2015228094. Its totient is φ = 671742696.

The previous prime is 1343485391. The next prime is 1343485397. The reversal of 1343485394 is 4935843431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4935843431 = 16572978783.

It is an interprime number because it is at equal distance from previous prime (1343485391) and next prime (1343485397).

It can be written as a sum of positive squares in only one way, i.e., 1189353169 + 154132225 = 34487^2 + 12415^2 .

It is not an unprimeable number, because it can be changed into a prime (1343485391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335871347 + ... + 335871350.

Almost surely, 21343485394 is an apocalyptic number.

1343485394 is a deficient number, since it is larger than the sum of its proper divisors (671742700).

1343485394 is an equidigital number, since it uses as much as digits as its factorization.

1343485394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671742699.

The product of its digits is 622080, while the sum is 44.

The square root of 1343485394 is about 36653.5863729595. The cubic root of 1343485394 is about 1103.4288034713.

The spelling of 1343485394 in words is "one billion, three hundred forty-three million, four hundred eighty-five thousand, three hundred ninety-four".

Divisors: 1 2 671742697 1343485394