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1493134869 = 34715436863
BaseRepresentation
bin101100011111111…
…0110111000010101
310212001121002222110
41120333312320111
511024220303434
6404055021233
752000302612
oct13077667025
93761532873
101493134869
116a6921366
1235806a819
131aa45a575
14102437509
158b1404e9
hex58ff6e15

1493134869 has 16 divisors (see below), whose sum is σ = 2034819072. Its totient is φ = 973470768.

The previous prime is 1493134847. The next prime is 1493134873. The reversal of 1493134869 is 9684313941.

It is not a de Polignac number, because 1493134869 - 211 = 1493132821 is a prime.

It is a super-2 number, since 2×14931348692 = 4458903474047294322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493134829) 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 15 ways as a sum of consecutive naturals, for example, 214132 + ... + 220994.

It is an arithmetic number, because the mean of its divisors is an integer number (127176192).

Almost surely, 21493134869 is an apocalyptic number.

It is an amenable number.

1493134869 is a deficient number, since it is larger than the sum of its proper divisors (541684203).

1493134869 is a wasteful number, since it uses less digits than its factorization.

1493134869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8456.

The product of its digits is 559872, while the sum is 48.

The square root of 1493134869 is about 38641.1033615760. The cubic root of 1493134869 is about 1142.9652130445.

The spelling of 1493134869 in words is "one billion, four hundred ninety-three million, one hundred thirty-four thousand, eight hundred sixty-nine".

Divisors: 1 3 47 141 1543 4629 6863 20589 72521 217563 322561 967683 10589609 31768827 497711623 1493134869