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230251241 = 1144946619
BaseRepresentation
bin11011011100101…
…01101011101001
3121001020222022202
431232111223221
5432421014431
634503025545
75464050263
oct1556255351
9531228282
10230251241
11108a75190
126513b2b5
133891974c
1422818b33
15153328cb
hexdb95ae9

230251241 has 8 divisors (see below), whose sum is σ = 251748000. Its totient is φ = 208848640.

The previous prime is 230251237. The next prime is 230251243. The reversal of 230251241 is 142152032.

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

It is not a de Polignac number, because 230251241 - 22 = 230251237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230251243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18371 + ... + 28248.

It is an arithmetic number, because the mean of its divisors is an integer number (31468500).

Almost surely, 2230251241 is an apocalyptic number.

It is an amenable number.

230251241 is a deficient number, since it is larger than the sum of its proper divisors (21496759).

230251241 is a wasteful number, since it uses less digits than its factorization.

230251241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47079.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 230251241 is about 15174.0317977787. The cubic root of 230251241 is about 612.9155783598.

The spelling of 230251241 in words is "two hundred thirty million, two hundred fifty-one thousand, two hundred forty-one".

Divisors: 1 11 449 4939 46619 512809 20931931 230251241