Base | Representation |
---|---|
bin | 1100111001000… |
… | …01111110100100 |
3 | 21112111012121210 |
4 | 12130201332210 |
5 | 210141030000 |
6 | 14421511420 |
7 | 2452124154 |
oct | 634417644 |
9 | 245435553 |
10 | 108142500 |
11 | 56053074 |
12 | 30272570 |
13 | 19534a5b |
14 | 10510764 |
15 | 9762350 |
hex | 6721fa4 |
108142500 has 60 divisors (see below), whose sum is σ = 315336560. Its totient is φ = 28836000.
The previous prime is 108142493. The next prime is 108142501. The reversal of 108142500 is 5241801.
It is a tau number, because it is divible by the number of its divisors (60).
It is not an unprimeable number, because it can be changed into a prime (108142501) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 291 + ... + 14709.
Almost surely, 2108142500 is an apocalyptic number.
108142500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 108142500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157668280).
108142500 is an abundant number, since it is smaller than the sum of its proper divisors (207194060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108142500 is a wasteful number, since it uses less digits than its factorization.
108142500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14446 (or 14429 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 21.
The square root of 108142500 is about 10399.1586198115. The cubic root of 108142500 is about 476.4296722892.
The spelling of 108142500 in words is "one hundred eight million, one hundred forty-two thousand, five hundred".
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