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1340741474 = 2670370737
BaseRepresentation
bin100111111101010…
…0001011101100010
310110102211201112122
41033322201131202
510221212211344
6341012424242
745140054162
oct11772413542
93412751478
101340741474
116288a4a06
12315018082
13184a01167
14ca0c85a2
157ca8baee
hex4fea1762

1340741474 has 4 divisors (see below), whose sum is σ = 2011112214. Its totient is φ = 670370736.

The previous prime is 1340741453. The next prime is 1340741527. The reversal of 1340741474 is 4741470431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4741470431 = 5219100711.

It can be written as a sum of positive squares in only one way, i.e., 1223950225 + 116791249 = 34985^2 + 10807^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335185367 + ... + 335185370.

Almost surely, 21340741474 is an apocalyptic number.

1340741474 is a deficient number, since it is larger than the sum of its proper divisors (670370740).

1340741474 is an equidigital number, since it uses as much as digits as its factorization.

1340741474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670370739.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 1340741474 is about 36616.1367978655. The cubic root of 1340741474 is about 1102.6770811281.

The spelling of 1340741474 in words is "one billion, three hundred forty million, seven hundred forty-one thousand, four hundred seventy-four".

Divisors: 1 2 670370737 1340741474