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244491 = 3136269
BaseRepresentation
bin111011101100001011
3110102101020
4323230023
530310431
65123523
72035542
oct735413
9412336
10244491
11157765
12b95a3
1387390
1465159
154c696
hex3bb0b

244491 has 8 divisors (see below), whose sum is σ = 351120. Its totient is φ = 150432.

The previous prime is 244481. The next prime is 244493. The reversal of 244491 is 194442.

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

It is not a de Polignac number, because 244491 - 215 = 211723 is a prime.

244491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (244493) 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 7 ways as a sum of consecutive naturals, for example, 3096 + ... + 3173.

It is an arithmetic number, because the mean of its divisors is an integer number (43890).

2244491 is an apocalyptic number.

244491 is a deficient number, since it is larger than the sum of its proper divisors (106629).

244491 is a wasteful number, since it uses less digits than its factorization.

244491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285.

The product of its digits is 1152, while the sum is 24.

The square root of 244491 is about 494.4603118553. The cubic root of 244491 is about 62.5298843752.

The spelling of 244491 in words is "two hundred forty-four thousand, four hundred ninety-one".

Divisors: 1 3 13 39 6269 18807 81497 244491