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109986048 = 283247737
BaseRepresentation
bin1101000111001…
…00000100000000
321122221212111100
412203210010000
5211124023143
614525214400
72503603014
oct643440400
9248855440
10109986048
11570a2167
1230a01400
1319a2bc03
1410870544
1599c86d3
hex68e4100

109986048 has 54 divisors (see below), whose sum is σ = 317123534. Its totient is φ = 36661248.

The previous prime is 109986017. The next prime is 109986059. The reversal of 109986048 is 840689901.

It can be written as a sum of positive squares in only one way, i.e., 67371264 + 42614784 = 8208^2 + 6528^2 .

It is a junction number, because it is equal to n+sod(n) for n = 109985994 and 109986012.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21565 + ... + 26172.

Almost surely, 2109986048 is an apocalyptic number.

109986048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

109986048 is an abundant number, since it is smaller than the sum of its proper divisors (207137486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109986048 is an equidigital number, since it uses as much as digits as its factorization.

109986048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47759 (or 47742 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 109986048 is about 10487.4233251071. The cubic root of 109986048 is about 479.1217273074.

The spelling of 109986048 in words is "one hundred nine million, nine hundred eighty-six thousand, forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 576 768 1152 2304 47737 95474 143211 190948 286422 381896 429633 572844 763792 859266 1145688 1527584 1718532 2291376 3055168 3437064 4582752 6110336 6874128 9165504 12220672 13748256 18331008 27496512 36662016 54993024 109986048