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1334814749 = 6121882209
BaseRepresentation
bin100111110001111…
…1010100000011101
310110000200121121022
41033203322200131
510213203032444
6340241413525
745035511122
oct11743724035
93400617538
101334814749
11625517094
1231303a2a5
13183707618
14c93c4749
157c2ba9ee
hex4f8fa81d

1334814749 has 4 divisors (see below), whose sum is σ = 1356697020. Its totient is φ = 1312932480.

The previous prime is 1334814739. The next prime is 1334814751. The reversal of 1334814749 is 9474184331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9474184331 = 73129783347.

It can be written as a sum of positive squares in 2 ways, for example, as 292170649 + 1042644100 = 17093^2 + 32290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1334814749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1334814739) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 10941044 + ... + 10941165.

It is an arithmetic number, because the mean of its divisors is an integer number (339174255).

Almost surely, 21334814749 is an apocalyptic number.

It is an amenable number.

1334814749 is a deficient number, since it is larger than the sum of its proper divisors (21882271).

1334814749 is an equidigital number, since it uses as much as digits as its factorization.

1334814749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21882270.

The product of its digits is 290304, while the sum is 44.

The square root of 1334814749 is about 36535.1166550758. The cubic root of 1334814749 is about 1101.0498926547.

The spelling of 1334814749 in words is "one billion, three hundred thirty-four million, eight hundred fourteen thousand, seven hundred forty-nine".

Divisors: 1 61 21882209 1334814749