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72255 = 354817
BaseRepresentation
bin10001101000111111
310200010010
4101220333
54303010
61314303
7420441
oct215077
9120103
1072255
114a317
1235993
1326b71
141c491
1516620
hex11a3f

72255 has 8 divisors (see below), whose sum is σ = 115632. Its totient is φ = 38528.

The previous prime is 72253. The next prime is 72269. The reversal of 72255 is 55227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72255 - 21 = 72253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2394 + ... + 2423.

It is an arithmetic number, because the mean of its divisors is an integer number (14454).

272255 is an apocalyptic number.

72255 is a deficient number, since it is larger than the sum of its proper divisors (43377).

72255 is a wasteful number, since it uses less digits than its factorization.

72255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4825.

The product of its digits is 700, while the sum is 21.

The square root of 72255 is about 268.8029017701. The cubic root of 72255 is about 41.6507316844.

It can be divided in two parts, 722 and 55, that added together give a palindrome (777).

The spelling of 72255 in words is "seventy-two thousand, two hundred fifty-five".

Divisors: 1 3 5 15 4817 14451 24085 72255