Base | Representation |
---|---|
bin | 1100111110001… |
… | …00010100010100 |
3 | 21120201222202100 |
4 | 12133010110110 |
5 | 210323314234 |
6 | 14444042100 |
7 | 2460563604 |
oct | 637042424 |
9 | 246658670 |
10 | 108807444 |
11 | 56467709 |
12 | 30533330 |
13 | 19708605 |
14 | 10644c04 |
15 | 9844399 |
hex | 67c4514 |
108807444 has 72 divisors (see below), whose sum is σ = 283989888. Its totient is φ = 35107200.
The previous prime is 108807409. The next prime is 108807473. The reversal of 108807444 is 444708801.
It is a happy number.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 108807399 and 108807408.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180744 + ... + 181344.
It is an arithmetic number, because the mean of its divisors is an integer number (3944304).
Almost surely, 2108807444 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 108807444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141994944).
108807444 is an abundant number, since it is smaller than the sum of its proper divisors (175182444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108807444 is a wasteful number, since it uses less digits than its factorization.
108807444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 765 (or 760 counting only the distinct ones).
The product of its (nonzero) digits is 28672, while the sum is 36.
The square root of 108807444 is about 10431.0806726820. The cubic root of 108807444 is about 477.4041641316.
The spelling of 108807444 in words is "one hundred eight million, eight hundred seven thousand, four hundred forty-four".
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