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388425 = 3525179
BaseRepresentation
bin1011110110101001001
3201201211010
41132311021
544412200
612154133
73205302
oct1366511
9651733
10388425
11245914
12168949
13107a4b
14a17a9
157a150
hex5ed49

388425 has 12 divisors (see below), whose sum is σ = 642320. Its totient is φ = 207120.

The previous prime is 388403. The next prime is 388459. The reversal of 388425 is 524883.

It is not a de Polignac number, because 388425 - 28 = 388169 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 388392 and 388401.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 388425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2515 + ... + 2664.

2388425 is an apocalyptic number.

It is an amenable number.

388425 is a deficient number, since it is larger than the sum of its proper divisors (253895).

388425 is a wasteful number, since it uses less digits than its factorization.

388425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5192 (or 5187 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 388425 is about 623.2375149171. The cubic root of 388425 is about 72.9629511132.

The spelling of 388425 in words is "three hundred eighty-eight thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 5179 15537 25895 77685 129475 388425