Base | Representation |
---|---|
bin | 10111000000110… |
… | …11101100100001 |
3 | 111110021000202210 |
4 | 23200123230201 |
5 | 343410121200 |
6 | 31053432333 |
7 | 4532624100 |
oct | 1340335441 |
9 | 443230683 |
10 | 193051425 |
11 | 99a77436 |
12 | 5479b6a9 |
13 | 30cc3618 |
14 | 1b8d4037 |
15 | 11e35650 |
hex | b81bb21 |
193051425 has 72 divisors (see below), whose sum is σ = 375056352. Its totient is φ = 87360000.
The previous prime is 193051423. The next prime is 193051427. The reversal of 193051425 is 524150391.
193051425 is a nontrivial binomial coefficient, being equal to C(19650, 2).
It is an interprime number because it is at equal distance from previous prime (193051423) and next prime (193051427).
It is not a de Polignac number, because 193051425 - 21 = 193051423 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 193051392 and 193051401.
It is not an unprimeable number, because it can be changed into a prime (193051421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 481225 + ... + 481625.
It is an arithmetic number, because the mean of its divisors is an integer number (5209116).
Almost surely, 2193051425 is an apocalyptic number.
193051425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
193051425 is the 19649-th triangular number and also the 9825-th hexagonal number.
It is an amenable number.
193051425 is a deficient number, since it is larger than the sum of its proper divisors (182004927).
193051425 is a wasteful number, since it uses less digits than its factorization.
193051425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 559 (or 547 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 30.
The square root of 193051425 is about 13894.2946924268. The cubic root of 193051425 is about 577.9509792280.
The spelling of 193051425 in words is "one hundred ninety-three million, fifty-one thousand, four hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •