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51395 = 519541
BaseRepresentation
bin1100100011000011
32121111112
430203003
53121040
61033535
7302561
oct144303
977445
1051395
1135683
12258ab
131a516
1414a31
1510365
hexc8c3

51395 has 8 divisors (see below), whose sum is σ = 65040. Its totient is φ = 38880.

The previous prime is 51383. The next prime is 51407. The reversal of 51395 is 59315.

It is an interprime number because it is at equal distance from previous prime (51383) and next prime (51407).

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

It is a de Polignac number, because none of the positive numbers 2k-51395 is a prime.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 51395.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176 + ... + 365.

It is an arithmetic number, because the mean of its divisors is an integer number (8130).

251395 is an apocalyptic number.

51395 is a deficient number, since it is larger than the sum of its proper divisors (13645).

51395 is a wasteful number, since it uses less digits than its factorization.

51395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

The product of its digits is 675, while the sum is 23.

The square root of 51395 is about 226.7046536796. The cubic root of 51395 is about 37.1797920847.

The spelling of 51395 in words is "fifty-one thousand, three hundred ninety-five".

Divisors: 1 5 19 95 541 2705 10279 51395