Base | Representation |
---|---|
bin | 10111000000111… |
… | …01010010110100 |
3 | 111110021100202021 |
4 | 23200131102310 |
5 | 343410323342 |
6 | 31053522524 |
7 | 4532652142 |
oct | 1340352264 |
9 | 443240667 |
10 | 193057972 |
11 | 99a81348 |
12 | 547a3444 |
13 | 30cc65b3 |
14 | 1b8d6592 |
15 | 11e37567 |
hex | b81d4b4 |
193057972 has 6 divisors (see below), whose sum is σ = 337851458. Its totient is φ = 96528984.
The previous prime is 193057957. The next prime is 193057973. The reversal of 193057972 is 279750391.
It can be written as a sum of positive squares in only one way, i.e., 191434896 + 1623076 = 13836^2 + 1274^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (193057973) 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 as a sum of consecutive naturals, namely, 24132243 + ... + 24132250.
Almost surely, 2193057972 is an apocalyptic number.
It is an amenable number.
193057972 is a deficient number, since it is larger than the sum of its proper divisors (144793486).
193057972 is a wasteful number, since it uses less digits than its factorization.
193057972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48264497 (or 48264495 counting only the distinct ones).
The product of its (nonzero) digits is 119070, while the sum is 43.
The square root of 193057972 is about 13894.5302907295. The cubic root of 193057972 is about 577.9575125516.
The spelling of 193057972 in words is "one hundred ninety-three million, fifty-seven thousand, nine hundred seventy-two".
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