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108024881 = 109798473
BaseRepresentation
bin1100111000001…
…01010000110001
321112021020021112
412130011100301
5210123244011
614415203105
72451124226
oct634052061
9245236245
10108024881
1155a82768
1230216495
13194c3363
14104bd94d
15973c58b
hex6705431

108024881 has 4 divisors (see below), whose sum is σ = 108124452. Its totient is φ = 107925312.

The previous prime is 108024877. The next prime is 108024979. The reversal of 108024881 is 188420801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 188420801 = 296497269.

It can be written as a sum of positive squares in 2 ways, for example, as 18627856 + 89397025 = 4316^2 + 9455^2 .

It is a cyclic number.

It is not a de Polignac number, because 108024881 - 22 = 108024877 is a prime.

It is a super-2 number, since 2×1080248812 = 23338749830128322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108024841) 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 3 ways as a sum of consecutive naturals, for example, 48140 + ... + 50333.

It is an arithmetic number, because the mean of its divisors is an integer number (27031113).

Almost surely, 2108024881 is an apocalyptic number.

It is an amenable number.

108024881 is a deficient number, since it is larger than the sum of its proper divisors (99571).

108024881 is an equidigital number, since it uses as much as digits as its factorization.

108024881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99570.

The product of its (nonzero) digits is 4096, while the sum is 32.

The square root of 108024881 is about 10393.5018641457. The cubic root of 108024881 is about 476.2568832691.

The spelling of 108024881 in words is "one hundred eight million, twenty-four thousand, eight hundred eighty-one".

Divisors: 1 1097 98473 108024881