Base | Representation |
---|---|
bin | 10111000010000… |
… | …10110001100100 |
3 | 111110120011100012 |
4 | 23201002301210 |
5 | 343430231432 |
6 | 31101105352 |
7 | 4534161545 |
oct | 1341026144 |
9 | 443504305 |
10 | 193211492 |
11 | 9a076721 |
12 | 54858258 |
13 | 3104b436 |
14 | 1b9364cc |
15 | 11e67cb2 |
hex | b842c64 |
193211492 has 12 divisors (see below), whose sum is σ = 338407356. Its totient is φ = 96523680.
The previous prime is 193211483. The next prime is 193211497. The reversal of 193211492 is 294112391.
It can be written as a sum of positive squares in 2 ways, for example, as 57395776 + 135815716 = 7576^2 + 11654^2 .
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (193211497) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15059 + ... + 24762.
It is an arithmetic number, because the mean of its divisors is an integer number (28200613).
Almost surely, 2193211492 is an apocalyptic number.
It is an amenable number.
193211492 is a deficient number, since it is larger than the sum of its proper divisors (145195864).
193211492 is a wasteful number, since it uses less digits than its factorization.
193211492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41038 (or 41036 counting only the distinct ones).
The product of its digits is 3888, while the sum is 32.
The square root of 193211492 is about 13900.0536689611. The cubic root of 193211492 is about 578.1106695333.
The spelling of 193211492 in words is "one hundred ninety-three million, two hundred eleven thousand, four hundred ninety-two".
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