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505395 = 325111021
BaseRepresentation
bin1111011011000110011
3221200021100
41323120303
5112133040
614455443
74203312
oct1733063
9850240
10505395
11315790
12204583
13149067
14d2279
159eb30
hex7b633

505395 has 24 divisors (see below), whose sum is σ = 956592. Its totient is φ = 244800.

The previous prime is 505369. The next prime is 505399. The reversal of 505395 is 593505.

It is not a de Polignac number, because 505395 - 28 = 505139 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 505395.

It is not an unprimeable number, because it can be changed into a prime (505399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16 + ... + 1005.

It is an arithmetic number, because the mean of its divisors is an integer number (39858).

2505395 is an apocalyptic number.

505395 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

505395 is a deficient number, since it is larger than the sum of its proper divisors (451197).

505395 is a wasteful number, since it uses less digits than its factorization.

505395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 27.

The square root of 505395 is about 710.9113868831. The cubic root of 505395 is about 79.6544995998.

It can be divided in two parts, 505 and 395, that added together give a square (900 = 302).

The spelling of 505395 in words is "five hundred five thousand, three hundred ninety-five".

Divisors: 1 3 5 9 11 15 33 45 55 99 165 495 1021 3063 5105 9189 11231 15315 33693 45945 56155 101079 168465 505395