Search a number
-
+
133408255 = 526681651
BaseRepresentation
bin1111111001110…
…10010111111111
3100022000211201111
413330322113333
5233123031010
621123222451
73206644231
oct774722777
9308024644
10133408255
116933a662
1238817a27
132183cbc6
1413a0a251
15baa358a
hex7f3a5ff

133408255 has 4 divisors (see below), whose sum is σ = 160089912. Its totient is φ = 106726600.

The previous prime is 133408237. The next prime is 133408267. The reversal of 133408255 is 552804331.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 133408255 - 223 = 125019647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13340821 + ... + 13340830.

It is an arithmetic number, because the mean of its divisors is an integer number (40022478).

Almost surely, 2133408255 is an apocalyptic number.

133408255 is a deficient number, since it is larger than the sum of its proper divisors (26681657).

133408255 is an equidigital number, since it uses as much as digits as its factorization.

133408255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26681656.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 133408255 is about 11550.2491315123. The cubic root of 133408255 is about 510.9686256448.

The spelling of 133408255 in words is "one hundred thirty-three million, four hundred eight thousand, two hundred fifty-five".

Divisors: 1 5 26681651 133408255