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388030 = 2538803
BaseRepresentation
bin1011110101110111110
3201201021111
41132232332
544404110
612152234
73204166
oct1365676
9651244
10388030
11245595
1216867a
13107806
14a15a6
1579e8a
hex5ebbe

388030 has 8 divisors (see below), whose sum is σ = 698472. Its totient is φ = 155208.

The previous prime is 388009. The next prime is 388051. The reversal of 388030 is 30883.

It is an interprime number because it is at equal distance from previous prime (388009) and next prime (388051).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 387992 and 388010.

It is a congruent 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, 19392 + ... + 19411.

It is an arithmetic number, because the mean of its divisors is an integer number (87309).

2388030 is an apocalyptic number.

388030 is a deficient number, since it is larger than the sum of its proper divisors (310442).

388030 is a wasteful number, since it uses less digits than its factorization.

388030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38810.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 388030 is about 622.9205406791. The cubic root of 388030 is about 72.9382100516.

The spelling of 388030 in words is "three hundred eighty-eight thousand, thirty".

Divisors: 1 2 5 10 38803 77606 194015 388030