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387925 = 5259263
BaseRepresentation
bin1011110101101010101
3201201010121
41132231111
544403200
612151541
73203656
oct1365525
9651117
10387925
112454aa
121685b1
13107755
14a152d
1579e1a
hex5eb55

387925 has 12 divisors (see below), whose sum is σ = 491040. Its totient is φ = 303920.

The previous prime is 387917. The next prime is 387953. The reversal of 387925 is 529783.

It is not a de Polignac number, because 387925 - 23 = 387917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1344 + ... + 1606.

It is an arithmetic number, because the mean of its divisors is an integer number (40920).

387925 is a Friedman number, since it can be written as 59*(3^8+7*2), using all its digits and the basic arithmetic operations.

2387925 is an apocalyptic number.

It is an amenable number.

387925 is a deficient number, since it is larger than the sum of its proper divisors (103115).

387925 is a wasteful number, since it uses less digits than its factorization.

387925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 327 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 387925 is about 622.8362545646. The cubic root of 387925 is about 72.9316304890.

The spelling of 387925 in words is "three hundred eighty-seven thousand, nine hundred twenty-five".

Divisors: 1 5 25 59 263 295 1315 1475 6575 15517 77585 387925