Base | Representation |
---|---|
bin | 100110100000… |
… | …1111101111110 |
3 | 1101222220210110 |
4 | 1031001331332 |
5 | 20132140100 |
6 | 2000450450 |
7 | 333432105 |
oct | 115017576 |
9 | 41886713 |
10 | 20193150 |
11 | 1044245a |
12 | 6919a26 |
13 | 4250313 |
14 | 297903c |
15 | 1b8d250 |
hex | 1341f7e |
20193150 has 48 divisors (see below), whose sum is σ = 50603904. Its totient is φ = 5328480.
The previous prime is 20193133. The next prime is 20193167. The reversal of 20193150 is 5139102.
It is an interprime number because it is at equal distance from previous prime (20193133) and next prime (20193167).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14797 + ... + 16103.
It is an arithmetic number, because the mean of its divisors is an integer number (1054248).
Almost surely, 220193150 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20193150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25301952).
20193150 is an abundant number, since it is smaller than the sum of its proper divisors (30410754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20193150 is a wasteful number, since it uses less digits than its factorization.
20193150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1425 (or 1420 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 21.
The square root of 20193150 is about 4493.6788937351. The cubic root of 20193150 is about 272.3127799662.
The spelling of 20193150 in words is "twenty million, one hundred ninety-three thousand, one hundred fifty".
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