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1384668518 = 21712340433
BaseRepresentation
bin101001010001000…
…0101110101100110
310120111111110010012
41102202011311212
510313433343033
6345222130222
746212326312
oct12242056546
93514443105
101384668518
11650677a52
12327880972
13190b412ac
14d1c80b42
1581867248
hex52885d66

1384668518 has 8 divisors (see below), whose sum is σ = 2077175448. Its totient is φ = 692276704.

The previous prime is 1384668511. The next prime is 1384668533. The reversal of 1384668518 is 8158664831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384668511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14030 + ... + 54462.

It is an arithmetic number, because the mean of its divisors is an integer number (259646931).

Almost surely, 21384668518 is an apocalyptic number.

1384668518 is a deficient number, since it is larger than the sum of its proper divisors (692506930).

1384668518 is a wasteful number, since it uses less digits than its factorization.

1384668518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57558.

The product of its digits is 1105920, while the sum is 50.

The square root of 1384668518 is about 37211.1343283163. The cubic root of 1384668518 is about 1114.5903347321.

The spelling of 1384668518 in words is "one billion, three hundred eighty-four million, six hundred sixty-eight thousand, five hundred eighteen".

Divisors: 1 2 17123 34246 40433 80866 692334259 1384668518