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133495 = 526699
BaseRepresentation
bin100000100101110111
320210010021
4200211313
513232440
62510011
71064125
oct404567
9223107
10133495
119132a
1265307
13489bb
1436915
152984a
hex20977

133495 has 4 divisors (see below), whose sum is σ = 160200. Its totient is φ = 106792.

The previous prime is 133493. The next prime is 133499. The reversal of 133495 is 594331.

133495 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 594331 = 3716063.

It is a cyclic number.

It is not a de Polignac number, because 133495 - 21 = 133493 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13345 + ... + 13354.

It is an arithmetic number, because the mean of its divisors is an integer number (40050).

2133495 is an apocalyptic number.

133495 is a deficient number, since it is larger than the sum of its proper divisors (26705).

133495 is an equidigital number, since it uses as much as digits as its factorization.

133495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26704.

The product of its digits is 1620, while the sum is 25.

The square root of 133495 is about 365.3696758079. The cubic root of 133495 is about 51.1079349353.

The spelling of 133495 in words is "one hundred thirty-three thousand, four hundred ninety-five".

Divisors: 1 5 26699 133495