Base | Representation |
---|---|
bin | 10111001011010… |
… | …00101011110101 |
3 | 111112211022201111 |
4 | 23211220223311 |
5 | 344232242344 |
6 | 31142555021 |
7 | 4550334412 |
oct | 1345505365 |
9 | 445738644 |
10 | 194415349 |
11 | 9a819147 |
12 | 55138a71 |
13 | 3138038b |
14 | 1bb6b109 |
15 | 12104834 |
hex | b968af5 |
194415349 has 8 divisors (see below), whose sum is σ = 207235800. Its totient is φ = 181748736.
The previous prime is 194415337. The next prime is 194415367. The reversal of 194415349 is 943514491.
It can be written as a sum of positive squares in 4 ways, for example, as 8100 + 194407249 = 90^2 + 13943^2 .
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 194415349 - 223 = 186026741 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (194415329) 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, 35844 + ... + 40909.
It is an arithmetic number, because the mean of its divisors is an integer number (25904475).
Almost surely, 2194415349 is an apocalyptic number.
It is an amenable number.
194415349 is a deficient number, since it is larger than the sum of its proper divisors (12820451).
194415349 is a wasteful number, since it uses less digits than its factorization.
194415349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76919.
The product of its digits is 77760, while the sum is 40.
The square root of 194415349 is about 13943.2904653098. The cubic root of 194415349 is about 579.3088765520.
The spelling of 194415349 in words is "one hundred ninety-four million, four hundred fifteen thousand, three hundred forty-nine".
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