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5751081 = 367323
BaseRepresentation
bin10101111100000100101001
3101211012000000
4111330010221
52433013311
6323133213
766612000
oct25740451
911735000
105751081
113278966
121b14209
13126490b
14a99c37
15789056
hex57c129

5751081 has 56 divisors (see below), whose sum is σ = 10492800. Its totient is φ = 3143448.

The previous prime is 5751073. The next prime is 5751101. The reversal of 5751081 is 1801575.

5751081 is a `hidden beast` number, since 575 + 10 + 81 = 666.

It is not a de Polignac number, because 5751081 - 23 = 5751073 is a prime.

It is a super-2 number, since 2×57510812 = 66149865337122, which contains 22 as substring.

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

5751081 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5751001) 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 55 ways as a sum of consecutive naturals, for example, 250036 + ... + 250058.

Almost surely, 25751081 is an apocalyptic number.

It is an amenable number.

5751081 is a deficient number, since it is larger than the sum of its proper divisors (4741719).

5751081 is an frugal number, since it uses more digits than its factorization.

5751081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 5751081 is about 2398.1411551450. The cubic root of 5751081 is about 179.1636197306.

The spelling of 5751081 in words is "five million, seven hundred fifty-one thousand, eighty-one".

Divisors: 1 3 7 9 21 23 27 49 63 69 81 147 161 189 207 243 343 441 483 567 621 729 1029 1127 1323 1449 1701 1863 3087 3381 3969 4347 5103 5589 7889 9261 10143 11907 13041 16767 23667 27783 30429 35721 39123 71001 83349 91287 117369 213003 250047 273861 639009 821583 1917027 5751081