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387965 = 5312503
BaseRepresentation
bin1011110101101111101
3201201012002
41132231331
544403330
612152045
73204044
oct1365575
9651162
10387965
11245536
12168625
13107786
14a155b
1579e45
hex5eb7d

387965 has 8 divisors (see below), whose sum is σ = 480768. Its totient is φ = 300240.

The previous prime is 387953. The next prime is 387967. The reversal of 387965 is 569783.

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

It is not a de Polignac number, because 387965 - 212 = 383869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097 + ... + 1406.

It is an arithmetic number, because the mean of its divisors is an integer number (60096).

2387965 is an apocalyptic number.

It is an amenable number.

387965 is a deficient number, since it is larger than the sum of its proper divisors (92803).

387965 is a wasteful number, since it uses less digits than its factorization.

387965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539.

The product of its digits is 45360, while the sum is 38.

The square root of 387965 is about 622.8683649055. The cubic root of 387965 is about 72.9341371290.

The spelling of 387965 in words is "three hundred eighty-seven thousand, nine hundred sixty-five".

Divisors: 1 5 31 155 2503 12515 77593 387965