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72259 = 116569
BaseRepresentation
bin10001101001000011
310200010021
4101221003
54303014
61314311
7420445
oct215103
9120107
1072259
114a320
1235997
1326b75
141c495
1516624
hex11a43

72259 has 4 divisors (see below), whose sum is σ = 78840. Its totient is φ = 65680.

The previous prime is 72253. The next prime is 72269. The reversal of 72259 is 95227.

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

It is a cyclic number.

It is not a de Polignac number, because 72259 - 23 = 72251 is a prime.

It is a Duffinian number.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3274 + ... + 3295.

It is an arithmetic number, because the mean of its divisors is an integer number (19710).

272259 is an apocalyptic number.

72259 is a deficient number, since it is larger than the sum of its proper divisors (6581).

72259 is a wasteful number, since it uses less digits than its factorization.

72259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6580.

The product of its digits is 1260, while the sum is 25.

The square root of 72259 is about 268.8103420629. The cubic root of 72259 is about 41.6515002580.

It can be divided in two parts, 7225 and 9, that multiplied together give a square (65025 = 2552).

The spelling of 72259 in words is "seventy-two thousand, two hundred fifty-nine".

Divisors: 1 11 6569 72259