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108872985 = 35133471609
BaseRepresentation
bin1100111110101…
…00010100011001
321120212022122210
412133110110121
5210332413420
614445305333
72461255644
oct637242431
9246768583
10108872985
1156501981
1230565249
131972c3b0
1410660a5b
1598589e0
hex67d4519

108872985 has 32 divisors (see below), whose sum is σ = 188254080. Its totient is φ = 53411328.

The previous prime is 108872927. The next prime is 108873013. The reversal of 108872985 is 589278801.

It is not a de Polignac number, because 108872985 - 221 = 106775833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66861 + ... + 68469.

It is an arithmetic number, because the mean of its divisors is an integer number (5882940).

Almost surely, 2108872985 is an apocalyptic number.

108872985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108872985 is a deficient number, since it is larger than the sum of its proper divisors (79381095).

108872985 is a wasteful number, since it uses less digits than its factorization.

108872985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977.

The product of its (nonzero) digits is 322560, while the sum is 48.

The square root of 108872985 is about 10434.2218205288. The cubic root of 108872985 is about 477.5000009137.

The spelling of 108872985 in words is "one hundred eight million, eight hundred seventy-two thousand, nine hundred eighty-five".

Divisors: 1 3 5 13 15 39 65 195 347 1041 1609 1735 4511 4827 5205 8045 13533 20917 22555 24135 62751 67665 104585 313755 558323 1674969 2791615 7258199 8374845 21774597 36290995 108872985