Base | Representation |
---|---|
bin | 100100011100… |
… | …0100010010101 |
3 | 1022221200102110 |
4 | 1020320202111 |
5 | 14342342231 |
6 | 1521301233 |
7 | 321253311 |
oct | 110704225 |
9 | 38850373 |
10 | 19105941 |
11 | a86a638 |
12 | 6494819 |
13 | 3c5c4ba |
14 | 2774b41 |
15 | 1a26046 |
hex | 1238895 |
19105941 has 4 divisors (see below), whose sum is σ = 25474592. Its totient is φ = 12737292.
The previous prime is 19105937. The next prime is 19105979. The reversal of 19105941 is 14950191.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 19105941 - 22 = 19105937 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 19105899 and 19105908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19105991) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3184321 + ... + 3184326.
It is an arithmetic number, because the mean of its divisors is an integer number (6368648).
Almost surely, 219105941 is an apocalyptic number.
It is an amenable number.
19105941 is a deficient number, since it is larger than the sum of its proper divisors (6368651).
19105941 is an equidigital number, since it uses as much as digits as its factorization.
19105941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6368650.
The product of its (nonzero) digits is 1620, while the sum is 30.
The square root of 19105941 is about 4371.0343169552. The cubic root of 19105941 is about 267.3351988076.
The spelling of 19105941 in words is "nineteen million, one hundred five thousand, nine hundred forty-one".
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