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1383666852 = 223412812331
BaseRepresentation
bin101001001111001…
…0001010010100100
310120102121120002110
41102132101102210
510313204314402
6345144441020
746200655101
oct12236212244
93512546073
101383666852
11650053427
12327479170
131908803a9
14d1a9daa8
158171a56c
hex527914a4

1383666852 has 24 divisors (see below), whose sum is σ = 3307302432. Its totient is φ = 449972800.

The previous prime is 1383666833. The next prime is 1383666859. The reversal of 1383666852 is 2586663831.

It is not an unprimeable number, because it can be changed into a prime (1383666859) 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 7 ways as a sum of consecutive naturals, for example, 1405674 + ... + 1406657.

It is an arithmetic number, because the mean of its divisors is an integer number (137804268).

Almost surely, 21383666852 is an apocalyptic number.

1383666852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1383666852 is an abundant number, since it is smaller than the sum of its proper divisors (1923635580).

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

1383666852 is a wasteful number, since it uses less digits than its factorization.

1383666852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812379 (or 2812377 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 1383666852 is about 37197.6726691335. The cubic root of 1383666852 is about 1114.3215058758.

The spelling of 1383666852 in words is "one billion, three hundred eighty-three million, six hundred sixty-six thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 2812331 5624662 8436993 11249324 16873986 33747972 115305571 230611142 345916713 461222284 691833426 1383666852