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1145234241 = 33181234343
BaseRepresentation
bin100010001000010…
…1110001101000001
32221210221221001000
41010100232031001
54321134443431
6305350202213
740244221224
oct10420561501
92853857030
101145234241
11538500488
1227b653369
1315335aac8
14ac1555bb
156a81d9e6
hex4442e341

1145234241 has 16 divisors (see below), whose sum is σ = 1706024320. Its totient is φ = 759268080.

The previous prime is 1145234213. The next prime is 1145234243. The reversal of 1145234241 is 1424325411.

1145234241 is a `hidden beast` number, since 114 + 523 + 4 + 24 + 1 = 666.

It is not a de Polignac number, because 1145234241 - 27 = 1145234113 is a prime.

It is a super-2 number, since 2×11452342412 = 2623122933517692162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145234243) 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 15 ways as a sum of consecutive naturals, for example, 112285 + ... + 122058.

It is an arithmetic number, because the mean of its divisors is an integer number (106626520).

Almost surely, 21145234241 is an apocalyptic number.

It is an amenable number.

1145234241 is a deficient number, since it is larger than the sum of its proper divisors (560790079).

1145234241 is a wasteful number, since it uses less digits than its factorization.

1145234241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234533 (or 234527 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1145234241 is about 33841.3096821030. The cubic root of 1145234241 is about 1046.2402925578.

Adding to 1145234241 its reverse (1424325411), we get a palindrome (2569559652).

The spelling of 1145234241 in words is "one billion, one hundred forty-five million, two hundred thirty-four thousand, two hundred forty-one".

Divisors: 1 3 9 27 181 543 1629 4887 234343 703029 2109087 6327261 42416083 127248249 381744747 1145234241