Base | Representation |
---|---|
bin | 1110100010000… |
… | …00010101000000 |
3 | 22111101002001000 |
4 | 13101000111000 |
5 | 222201221204 |
6 | 20032412000 |
7 | 3010055433 |
oct | 721002500 |
9 | 274332030 |
10 | 121898304 |
11 | 62899000 |
12 | 349a7000 |
13 | 1c33cc98 |
14 | 1229181a |
15 | aa7d039 |
hex | 7440540 |
121898304 has 224 divisors, whose sum is σ = 401604480. Its totient is φ = 36241920.
The previous prime is 121898269. The next prime is 121898311. The reversal of 121898304 is 403898121.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2299942 + ... + 2299994.
Almost surely, 2121898304 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 121898304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200802240).
121898304 is an abundant number, since it is smaller than the sum of its proper divisors (279706176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121898304 is an equidigital number, since it uses as much as digits as its factorization.
121898304 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107 (or 69 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The square root of 121898304 is about 11040.7564958204. The cubic root of 121898304 is about 495.8297195572.
The spelling of 121898304 in words is "one hundred twenty-one million, eight hundred ninety-eight thousand, three hundred four".
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