Base | Representation |
---|---|
bin | 1011111101001… |
… | …10111010010001 |
3 | 20222201200112000 |
4 | 11332212322101 |
5 | 201134022020 |
6 | 13541424213 |
7 | 2325344055 |
oct | 576467221 |
9 | 228650460 |
10 | 100298385 |
11 | 51685730 |
12 | 2970b069 |
13 | 17a19575 |
14 | d46bc65 |
15 | 8c13090 |
hex | 5fa6e91 |
100298385 has 128 divisors (see below), whose sum is σ = 214617600. Its totient is φ = 43868160.
The previous prime is 100298383. The next prime is 100298411. The reversal of 100298385 is 583892001.
It is not a de Polignac number, because 100298385 - 21 = 100298383 is a prime.
It is not an unprimeable number, because it can be changed into a prime (100298381) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 732037 + ... + 732173.
It is an arithmetic number, because the mean of its divisors is an integer number (1676700).
Almost surely, 2100298385 is an apocalyptic number.
100298385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
100298385 is an abundant number, since it is smaller than the sum of its proper divisors (114319215).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100298385 is a wasteful number, since it uses less digits than its factorization.
100298385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 208 (or 202 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The square root of 100298385 is about 10014.9081373720. The cubic root of 100298385 is about 464.6200851074.
The spelling of 100298385 in words is "one hundred million, two hundred ninety-eight thousand, three hundred eighty-five".
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