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136893 = 345631
BaseRepresentation
bin100001011010111101
320221210010
4201122331
513340033
62533433
71110051
oct413275
9227703
10136893
1193939
1267279
134a403
1437c61
152a863
hex216bd

136893 has 4 divisors (see below), whose sum is σ = 182528. Its totient is φ = 91260.

The previous prime is 136889. The next prime is 136897. The reversal of 136893 is 398631.

136893 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (136889) and next prime (136897).

It is not a de Polignac number, because 136893 - 22 = 136889 is a prime.

It is a D-number.

It is a Duffinian number.

136893 is an undulating number in base 11.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 136893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136897) 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, 22813 + ... + 22818.

It is an arithmetic number, because the mean of its divisors is an integer number (45632).

2136893 is an apocalyptic number.

It is an amenable number.

136893 is a deficient number, since it is larger than the sum of its proper divisors (45635).

136893 is an equidigital number, since it uses as much as digits as its factorization.

136893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45634.

The product of its digits is 3888, while the sum is 30.

The square root of 136893 is about 369.9905404196. The cubic root of 136893 is about 51.5379429436.

The spelling of 136893 in words is "one hundred thirty-six thousand, eight hundred ninety-three".

Divisors: 1 3 45631 136893