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386304384 = 2731039767
BaseRepresentation
bin10111000001101…
…000100110000000
3222220220021222210
4113001220212000
51242343220014
6102155502120
712400350564
oct2701504600
9886807883
10386304384
11189071224
12a9457940
136205789b
143943b6a4
1523daa859
hex17068980

386304384 has 64 divisors (see below), whose sum is σ = 1036189440. Its totient is φ = 127504896.

The previous prime is 386304353. The next prime is 386304433. The reversal of 386304384 is 483403683.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34669 + ... + 44435.

It is an arithmetic number, because the mean of its divisors is an integer number (16190460).

Almost surely, 2386304384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386304384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518094720).

386304384 is an abundant number, since it is smaller than the sum of its proper divisors (649885056).

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

386304384 is a wasteful number, since it uses less digits than its factorization.

386304384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9887 (or 9875 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The square root of 386304384 is about 19654.6275467128. The cubic root of 386304384 is about 728.2992771852.

The spelling of 386304384 in words is "three hundred eighty-six million, three hundred four thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 103 128 192 206 309 384 412 618 824 1236 1648 2472 3296 4944 6592 9767 9888 13184 19534 19776 29301 39068 39552 58602 78136 117204 156272 234408 312544 468816 625088 937632 1006001 1250176 1875264 2012002 3018003 3750528 4024004 6036006 8048008 12072012 16096016 24144024 32192032 48288048 64384064 96576096 128768128 193152192 386304384