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72230 = 2531233
BaseRepresentation
bin10001101000100110
310200002012
4101220212
54302410
61314222
7420404
oct215046
9120065
1072230
114a2a4
1235972
1326b52
141c474
1516605
hex11a26

72230 has 16 divisors (see below), whose sum is σ = 134784. Its totient is φ = 27840.

The previous prime is 72229. The next prime is 72251. The reversal of 72230 is 3227.

72230 is nontrivially palindromic in base 11.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 72230.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 194 + ... + 426.

It is an arithmetic number, because the mean of its divisors is an integer number (8424).

272230 is an apocalyptic number.

72230 is a deficient number, since it is larger than the sum of its proper divisors (62554).

72230 is a wasteful number, since it uses less digits than its factorization.

72230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271.

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 72230 is about 268.7563952727. The cubic root of 72230 is about 41.6459274567.

Adding to 72230 its reverse (3227), we get a palindrome (75457).

The spelling of 72230 in words is "seventy-two thousand, two hundred thirty".

Divisors: 1 2 5 10 31 62 155 233 310 466 1165 2330 7223 14446 36115 72230