Base | Representation |
---|---|
bin | 100110100000… |
… | …1111101001111 |
3 | 1101222220201201 |
4 | 1031001331033 |
5 | 20132134403 |
6 | 2000450331 |
7 | 333432010 |
oct | 115017517 |
9 | 41886651 |
10 | 20193103 |
11 | 10442417 |
12 | 69199a7 |
13 | 42502a8 |
14 | 2979007 |
15 | 1b8d21d |
hex | 1341f4f |
20193103 has 8 divisors (see below), whose sum is σ = 24081408. Its totient is φ = 16555704.
The previous prime is 20193097. The next prime is 20193113. The reversal of 20193103 is 30139102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20193103 - 213 = 20184911 is a prime.
It is a super-2 number, since 2×201931032 = 815522817537218, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20193113) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62551 + ... + 62872.
It is an arithmetic number, because the mean of its divisors is an integer number (3010176).
Almost surely, 220193103 is an apocalyptic number.
20193103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
20193103 is a deficient number, since it is larger than the sum of its proper divisors (3888305).
20193103 is a wasteful number, since it uses less digits than its factorization.
20193103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125453.
The product of its (nonzero) digits is 162, while the sum is 19.
The square root of 20193103 is about 4493.6736641639. The cubic root of 20193103 is about 272.3125686947.
The spelling of 20193103 in words is "twenty million, one hundred ninety-three thousand, one hundred three".
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