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249230 = 2524923
BaseRepresentation
bin111100110110001110
3110122212202
4330312032
530433410
65201502
72055422
oct746616
9418782
10249230
11160283
12100292
1389597
1466b82
154dca5
hex3cd8e

249230 has 8 divisors (see below), whose sum is σ = 448632. Its totient is φ = 99688.

The previous prime is 249229. The next prime is 249233. The reversal of 249230 is 32942.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12452 + ... + 12471.

It is an arithmetic number, because the mean of its divisors is an integer number (56079).

2249230 is an apocalyptic number.

249230 is a deficient number, since it is larger than the sum of its proper divisors (199402).

249230 is a wasteful number, since it uses less digits than its factorization.

249230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24930.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 249230 is about 499.2294061852. The cubic root of 249230 is about 62.9313100330.

The spelling of 249230 in words is "two hundred forty-nine thousand, two hundred thirty".

Divisors: 1 2 5 10 24923 49846 124615 249230