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106481 = 233457
BaseRepresentation
bin11001111111110001
312102001202
4121333301
511401411
62140545
7622304
oct317761
9172052
10106481
1173001
1251755
133960b
142ab3b
152183b
hex19ff1

106481 has 4 divisors (see below), whose sum is σ = 107172. Its totient is φ = 105792.

The previous prime is 106453. The next prime is 106487. The reversal of 106481 is 184601.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 184601 = 367503.

It can be written as a sum of positive squares in 2 ways, for example, as 58081 + 48400 = 241^2 + 220^2 .

It is a cyclic number.

It is not a de Polignac number, because 106481 - 26 = 106417 is a prime.

It is a super-2 number, since 2×1064812 = 22676406722, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 106481.

It is not an unprimeable number, because it can be changed into a prime (106487) 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, 5 + ... + 461.

It is an arithmetic number, because the mean of its divisors is an integer number (26793).

2106481 is an apocalyptic number.

It is an amenable number.

106481 is a deficient number, since it is larger than the sum of its proper divisors (691).

106481 is an equidigital number, since it uses as much as digits as its factorization.

106481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 106481 is about 326.3142657010. The cubic root of 106481 is about 47.3977115573.

The spelling of 106481 in words is "one hundred six thousand, four hundred eighty-one".

Divisors: 1 233 457 106481