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1334438749 = 71711213771
BaseRepresentation
bin100111110001001…
…1110101101011101
310102222222111211101
41033202132231131
510213104014444
6340225353101
745032353660
oct11742365535
93388874741
101334438749
1162528a646
12312a98791
13183605437
14c93276d7
157c2443d4
hex4f89eb5d

1334438749 has 8 divisors (see below), whose sum is σ = 1614783168. Its totient is φ = 1076521920.

The previous prime is 1334438731. The next prime is 1334438753. The reversal of 1334438749 is 9478344331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1334438749 - 221 = 1332341597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1334438699 and 1334438708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1334438719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5606767 + ... + 5607004.

It is an arithmetic number, because the mean of its divisors is an integer number (201847896).

Almost surely, 21334438749 is an apocalyptic number.

It is an amenable number.

1334438749 is a deficient number, since it is larger than the sum of its proper divisors (280344419).

1334438749 is a wasteful number, since it uses less digits than its factorization.

1334438749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11213795.

The product of its digits is 870912, while the sum is 46.

The square root of 1334438749 is about 36529.9705584332. The cubic root of 1334438749 is about 1100.9464991218.

The spelling of 1334438749 in words is "one billion, three hundred thirty-four million, four hundred thirty-eight thousand, seven hundred forty-nine".

Divisors: 1 7 17 119 11213771 78496397 190634107 1334438749