Base | Representation |
---|---|
bin | 100110001010… |
… | …1010101101100 |
3 | 1101122122001000 |
4 | 1030111111230 |
5 | 20110312343 |
6 | 1552520300 |
7 | 332041131 |
oct | 114252554 |
9 | 41578030 |
10 | 20010348 |
11 | 10328086 |
12 | 6850090 |
13 | 41b8057 |
14 | 292c588 |
15 | 1b53ed3 |
hex | 131556c |
20010348 has 48 divisors (see below), whose sum is σ = 53676000. Its totient is φ = 6439104.
The previous prime is 20010323. The next prime is 20010349. The reversal of 20010348 is 84301002.
It is a happy number.
It is a super-2 number, since 2×200103482 = 800828054162208, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a self number, because there is not a number n which added to its sum of digits gives 20010348.
It is not an unprimeable number, because it can be changed into a prime (20010349) 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, 63 + ... + 6326.
It is an arithmetic number, because the mean of its divisors is an integer number (1118250).
Almost surely, 220010348 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 20010348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26838000).
20010348 is an abundant number, since it is smaller than the sum of its proper divisors (33665652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20010348 is a wasteful number, since it uses less digits than its factorization.
20010348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6431 (or 6423 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 20010348 is about 4473.2927469594. The cubic root of 20010348 is about 271.4885682437.
The spelling of 20010348 in words is "twenty million, ten thousand, three hundred forty-eight".
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