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508387 = 11113409
BaseRepresentation
bin1111100000111100011
3221211101011
41330013203
5112232022
614521351
74215115
oct1740743
9854334
10508387
11317a60
12206257
1314a529
14d33b5
15a0977
hex7c1e3

508387 has 8 divisors (see below), whose sum is σ = 560880. Its totient is φ = 456960.

The previous prime is 508373. The next prime is 508393. The reversal of 508387 is 783805.

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

It is a cyclic number.

It is not a de Polignac number, because 508387 - 27 = 508259 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (508327) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1039 + ... + 1447.

It is an arithmetic number, because the mean of its divisors is an integer number (70110).

2508387 is an apocalyptic number.

508387 is a deficient number, since it is larger than the sum of its proper divisors (52493).

508387 is a wasteful number, since it uses less digits than its factorization.

508387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 508387 is about 713.0126226092. The cubic root of 508387 is about 79.8113785405.

The spelling of 508387 in words is "five hundred eight thousand, three hundred eighty-seven".

Divisors: 1 11 113 409 1243 4499 46217 508387