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384001384 = 23133692321
BaseRepresentation
bin10110111000110…
…110010101101000
3222202120021212111
4112320312111220
51241301021014
6102034252104
712341646364
oct2670662550
9882507774
10384001384
11187838a18
12a8727034
136172c570
1438ddc2a4
1523aa32c4
hex16e36568

384001384 has 16 divisors (see below), whose sum is σ = 775387620. Its totient is φ = 177231360.

The previous prime is 384001379. The next prime is 384001403. The reversal of 384001384 is 483100483.

It can be written as a sum of positive squares in 2 ways, for example, as 369485284 + 14516100 = 19222^2 + 3810^2 .

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, 1846057 + ... + 1846264.

Almost surely, 2384001384 is an apocalyptic number.

It is an amenable number.

384001384 is an abundant number, since it is smaller than the sum of its proper divisors (391386236).

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

384001384 is a wasteful number, since it uses less digits than its factorization.

384001384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692340 (or 3692336 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 384001384 is about 19595.9532557107. The cubic root of 384001384 is about 726.8491103592.

Subtracting 384001384 from its reverse (483100483), we obtain a palindrome (99099099).

The spelling of 384001384 in words is "three hundred eighty-four million, one thousand, three hundred eighty-four".

Divisors: 1 2 4 8 13 26 52 104 3692321 7384642 14769284 29538568 48000173 96000346 192000692 384001384