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868918941 = 33115355201
BaseRepresentation
bin110011110010101…
…010011010011101
32020120000122201000
4303302222122131
53234420401231
6222115540513
730350455242
oct6362523235
92216018630
10868918941
11406533730
12202bba739
1310b033627
14835895c9
155143c6e6
hex33caa69d

868918941 has 32 divisors (see below), whose sum is σ = 1430835840. Its totient is φ = 516672000.

The previous prime is 868918937. The next prime is 868918957. The reversal of 868918941 is 149819868.

It is not a de Polignac number, because 868918941 - 22 = 868918937 is a prime.

It is a super-2 number, since 2×8689189412 = 1510040252057122962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868918741) 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 31 ways as a sum of consecutive naturals, for example, 11860 + ... + 43341.

It is an arithmetic number, because the mean of its divisors is an integer number (44713620).

Almost surely, 2868918941 is an apocalyptic number.

It is an amenable number.

868918941 is a deficient number, since it is larger than the sum of its proper divisors (561916899).

868918941 is a wasteful number, since it uses less digits than its factorization.

868918941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55274 (or 55268 counting only the distinct ones).

The product of its digits is 995328, while the sum is 54.

The square root of 868918941 is about 29477.4310447841. The cubic root of 868918941 is about 954.2446961412.

The spelling of 868918941 in words is "eight hundred sixty-eight million, nine hundred eighteen thousand, nine hundred forty-one".

Divisors: 1 3 9 11 27 33 53 99 159 297 477 583 1431 1749 5247 15741 55201 165603 496809 607211 1490427 1821633 2925653 5464899 8776959 16394697 26330877 32182183 78992631 96546549 289639647 868918941