Search a number
73135 = 514627
BaseRepresentation
bin10001110110101111
310201022201
4101312233
54320020
61322331
7423136
oct216657
9121281
1073135
114aa47
12363a7
132739a
141c91d
1516a0a
hex11daf

73135 has 4 divisors (see below), whose sum is σ = 87768. Its totient is φ = 58504.

The previous prime is 73133. The next prime is 73141. The reversal of 73135 is 53137.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53137 = 77591.

It is a cyclic number.

It is not a de Polignac number, because 73135 - 21 = 73133 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 (73133) 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 3 ways as a sum of consecutive naturals, for example, 7309 + ... + 7318.

It is an arithmetic number, because the mean of its divisors is an integer number (21942).

273135 is an apocalyptic number.

73135 is a deficient number, since it is larger than the sum of its proper divisors (14633).

73135 is a wasteful number, since it uses less digits than its factorization.

73135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14632.

The product of its digits is 315, while the sum is 19.

The square root of 73135 is about 270.4348350342. The cubic root of 73135 is about 41.8191391486.

It can be divided in two parts, 7 and 3135, that multiplied together give a triangular number (21945 = T209).

The spelling of 73135 in words is "seventy-three thousand, one hundred thirty-five".

Divisors: 1 5 14627 73135