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386742904 = 2373662231
BaseRepresentation
bin10111000011010…
…011101001111000
3222221201120112021
4113003103221320
51243001233104
6102213124224
712404155222
oct2703235170
9887646467
10386742904
11189340739
12a9629674
136217c372
1439513412
1523e45754
hex170d3a78

386742904 has 16 divisors (see below), whose sum is σ = 735077520. Its totient is φ = 190722240.

The previous prime is 386742901. The next prime is 386742913. The reversal of 386742904 is 409247683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386742901) 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, 330532 + ... + 331699.

It is an arithmetic number, because the mean of its divisors is an integer number (45942345).

Almost surely, 2386742904 is an apocalyptic number.

It is an amenable number.

386742904 is a deficient number, since it is larger than the sum of its proper divisors (348334616).

386742904 is a wasteful number, since it uses less digits than its factorization.

386742904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662310 (or 662306 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 386742904 is about 19665.7800252113. The cubic root of 386742904 is about 728.5747534167.

The spelling of 386742904 in words is "three hundred eighty-six million, seven hundred forty-two thousand, nine hundred four".

Divisors: 1 2 4 8 73 146 292 584 662231 1324462 2648924 5297848 48342863 96685726 193371452 386742904