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1384193508 = 223115349459
BaseRepresentation
bin101001010000001…
…0001110111100100
310120110121022112020
41102200101313210
510313323143013
6345204023140
746205310405
oct12240216744
93513538466
101384193508
11650383085
12327691ab0
13190a06019
14d1b999ac
15817c1623
hex52811de4

1384193508 has 12 divisors (see below), whose sum is σ = 3229784880. Its totient is φ = 461397832.

The previous prime is 1384193441. The next prime is 1384193509. The reversal of 1384193508 is 8053914831.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1384193508.

It is not an unprimeable number, because it can be changed into a prime (1384193509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57674718 + ... + 57674741.

It is an arithmetic number, because the mean of its divisors is an integer number (269148740).

Almost surely, 21384193508 is an apocalyptic number.

It is an amenable number.

1384193508 is an abundant number, since it is smaller than the sum of its proper divisors (1845591372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1384193508 is a wasteful number, since it uses less digits than its factorization.

1384193508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115349466 (or 115349464 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1384193508 is about 37204.7511482069. The cubic root of 1384193508 is about 1114.4628668939.

The spelling of 1384193508 in words is "one billion, three hundred eighty-four million, one hundred ninety-three thousand, five hundred eight".

Divisors: 1 2 3 4 6 12 115349459 230698918 346048377 461397836 692096754 1384193508