Base | Representation |
---|---|
bin | 101011111010… |
… | …0011011110010 |
3 | 1121022121021200 |
4 | 1113310123302 |
5 | 21343140143 |
6 | 2141232030 |
7 | 366451326 |
oct | 127643362 |
9 | 47277250 |
10 | 23021298 |
11 | 11aa4273 |
12 | 7862616 |
13 | 4a00691 |
14 | 30b3986 |
15 | 204b1d3 |
hex | 15f46f2 |
23021298 has 48 divisors (see below), whose sum is σ = 55126656. Its totient is φ = 6906240.
The previous prime is 23021291. The next prime is 23021333. The reversal of 23021298 is 89212032.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (23021291) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5403 + ... + 8673.
It is an arithmetic number, because the mean of its divisors is an integer number (1148472).
Almost surely, 223021298 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23021298, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27563328).
23021298 is an abundant number, since it is smaller than the sum of its proper divisors (32105358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23021298 is a wasteful number, since it uses less digits than its factorization.
23021298 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3319 (or 3316 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 23021298 is about 4798.0514795071. The cubic root of 23021298 is about 284.4744515982.
It can be divided in two parts, 2302 and 1298, that added together give a square (3600 = 602).
The spelling of 23021298 in words is "twenty-three million, twenty-one thousand, two hundred ninety-eight".
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