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1384505164 = 22749446613
BaseRepresentation
bin101001010000101…
…1101111101001100
310120111012011001001
41102201131331030
510313413131124
6345214430044
746211046130
oct12241357514
93514164031
101384505164
11650576249
12327802324
13190ab4b33
14d1c3b3c0
1581833b44
hex5285df4c

1384505164 has 12 divisors (see below), whose sum is σ = 2769010384. Its totient is φ = 593359344.

The previous prime is 1384505147. The next prime is 1384505189. The reversal of 1384505164 is 4615054831.

It is a happy number.

1384505164 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24723279 + ... + 24723334.

Almost surely, 21384505164 is an apocalyptic number.

1384505164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1384505164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1384505164 is a wasteful number, since it uses less digits than its factorization.

1384505164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49446624 (or 49446622 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 1384505164 is about 37208.9393022698. The cubic root of 1384505164 is about 1114.5465023521.

Adding to 1384505164 its reverse (4615054831), we get a palindrome (5999559995).

The spelling of 1384505164 in words is "one billion, three hundred eighty-four million, five hundred five thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 49446613 98893226 197786452 346126291 692252582 1384505164