Base | Representation |
---|---|
bin | 1110100001101… |
… | …10100110110010 |
3 | 22111022001102010 |
4 | 13100312212302 |
5 | 222143432412 |
6 | 20031503350 |
7 | 3006531354 |
oct | 720664662 |
9 | 274261363 |
10 | 121858482 |
11 | 62871099 |
12 | 34987b56 |
13 | 1c327b15 |
14 | 122810d4 |
15 | aa7133c |
hex | 74369b2 |
121858482 has 32 divisors (see below), whose sum is σ = 262440000. Its totient is φ = 37580288.
The previous prime is 121858469. The next prime is 121858483. The reversal of 121858482 is 284858121.
It is a self number, because there is not a number n which added to its sum of digits gives 121858482.
It is not an unprimeable number, because it can be changed into a prime (121858483) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4107 + ... + 16142.
It is an arithmetic number, because the mean of its divisors is an integer number (8201250).
Almost surely, 2121858482 is an apocalyptic number.
121858482 is an abundant number, since it is smaller than the sum of its proper divisors (140581518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121858482 is a wasteful number, since it uses less digits than its factorization.
121858482 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20330.
The product of its digits is 40960, while the sum is 39.
The square root of 121858482 is about 11038.9529394775. The cubic root of 121858482 is about 495.7757207704.
The spelling of 121858482 in words is "one hundred twenty-one million, eight hundred fifty-eight thousand, four hundred eighty-two".
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