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281415241 = 3189101999
BaseRepresentation
bin10000110001100…
…000111001001001
3201121112101010201
4100301200321021
51034020241431
643531412201
76654663412
oct2061407111
9647471121
10281415241
11134940488
127a2b4061
13463c18c3
1429536809
1519a8c461
hex10c60e49

281415241 has 8 divisors (see below), whose sum is σ = 293760000. Its totient is φ = 269274720.

The previous prime is 281415223. The next prime is 281415259. The reversal of 281415241 is 142514182.

It is an interprime number because it is at equal distance from previous prime (281415223) and next prime (281415259).

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

It is a cyclic number.

It is not a de Polignac number, because 281415241 - 217 = 281284169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (281415221) 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, 48241 + ... + 53758.

It is an arithmetic number, because the mean of its divisors is an integer number (36720000).

Almost surely, 2281415241 is an apocalyptic number.

It is an amenable number.

281415241 is a deficient number, since it is larger than the sum of its proper divisors (12344759).

281415241 is a wasteful number, since it uses less digits than its factorization.

281415241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102119.

The product of its digits is 2560, while the sum is 28.

The square root of 281415241 is about 16775.4356426294. The cubic root of 281415241 is about 655.3136357068.

The spelling of 281415241 in words is "two hundred eighty-one million, four hundred fifteen thousand, two hundred forty-one".

Divisors: 1 31 89 2759 101999 3161969 9077911 281415241