Base | Representation |
---|---|
bin | 10111001011010… |
… | …01100110111010 |
3 | 111112211111220112 |
4 | 23211221212322 |
5 | 344232403010 |
6 | 31143024322 |
7 | 4550351423 |
oct | 1345514672 |
9 | 445744815 |
10 | 194419130 |
11 | 9a820a74 |
12 | 5513b0a2 |
13 | 31382009 |
14 | 1bb6c64a |
15 | 12105a05 |
hex | b9699ba |
194419130 has 32 divisors (see below), whose sum is σ = 360693648. Its totient is φ = 75404800.
The previous prime is 194419111. The next prime is 194419133. The reversal of 194419130 is 31914491.
It can be written as a sum of positive squares in 8 ways, for example, as 56145049 + 138274081 = 7493^2 + 11759^2 .
It is not an unprimeable number, because it can be changed into a prime (194419133) 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, 69560 + ... + 72300.
Almost surely, 2194419130 is an apocalyptic number.
194419130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
194419130 is a deficient number, since it is larger than the sum of its proper divisors (166274518).
194419130 is a wasteful number, since it uses less digits than its factorization.
194419130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2962.
The product of its (nonzero) digits is 3888, while the sum is 32.
The square root of 194419130 is about 13943.4260495762. The cubic root of 194419130 is about 579.3126320042.
The spelling of 194419130 in words is "one hundred ninety-four million, four hundred nineteen thousand, one hundred thirty".
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