Base | Representation |
---|---|
bin | 100101000000… |
… | …0100110110101 |
3 | 1100111200100210 |
4 | 1022000212311 |
5 | 14431314031 |
6 | 1531500033 |
7 | 323623044 |
oct | 112004665 |
9 | 40450323 |
10 | 19401141 |
11 | aa51401 |
12 | 65b7619 |
13 | 4033986 |
14 | 281055b |
15 | 1a83746 |
hex | 12809b5 |
19401141 has 8 divisors (see below), whose sum is σ = 26042400. Its totient is φ = 12846992.
The previous prime is 19401091. The next prime is 19401143. The reversal of 19401141 is 14110491.
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 19401141 - 221 = 17303989 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19401143) 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, 21255 + ... + 22148.
It is an arithmetic number, because the mean of its divisors is an integer number (3255300).
Almost surely, 219401141 is an apocalyptic number.
It is an amenable number.
19401141 is a deficient number, since it is larger than the sum of its proper divisors (6641259).
19401141 is a wasteful number, since it uses less digits than its factorization.
19401141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43555.
The product of its (nonzero) digits is 144, while the sum is 21.
The square root of 19401141 is about 4404.6726325574. The cubic root of 19401141 is about 268.7050059162.
It can be divided in two parts, 1940 and 1141, that added together give a triangular number (3081 = T78).
The spelling of 19401141 in words is "nineteen million, four hundred one thousand, one hundred forty-one".
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