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108993648 = 2434352807
BaseRepresentation
bin1100111111100…
…01110001110000
321121002110011210
412133301301300
5210400244043
614452040120
72462300511
oct637616160
9247073153
10108993648
11565845a5
1230603040
13197722aa
1410692a08
15987e633
hex67f1c70

108993648 has 40 divisors (see below), whose sum is σ = 288120448. Its totient is φ = 35485632.

The previous prime is 108993631. The next prime is 108993659. The reversal of 108993648 is 846399801.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 108993597 and 108993606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24340 + ... + 28467.

Almost surely, 2108993648 is an apocalyptic number.

It is an amenable number.

108993648 is an abundant number, since it is smaller than the sum of its proper divisors (179126800).

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

108993648 is a wasteful number, since it uses less digits than its factorization.

108993648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52861 (or 52855 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 108993648 is about 10440.0022988503. The cubic root of 108993648 is about 477.6763388436.

Subtracting from 108993648 its sum of digits (48), we obtain a square (108993600 = 104402).

The spelling of 108993648 in words is "one hundred eight million, nine hundred ninety-three thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 43 48 86 129 172 258 344 516 688 1032 2064 52807 105614 158421 211228 316842 422456 633684 844912 1267368 2270701 2534736 4541402 6812103 9082804 13624206 18165608 27248412 36331216 54496824 108993648