Search a number
-
+
193101293 = 71111322193
BaseRepresentation
bin10111000001001…
…11110111101101
3111110100120011202
423200213313231
5343413220133
631054455245
74533222350
oct1340476755
9443316152
10193101293
119a000950
1254804525
1331010228
141b908297
1511e452e8
hexb827ded

193101293 has 16 divisors (see below), whose sum is σ = 242891136. Its totient is φ = 149130240.

The previous prime is 193101289. The next prime is 193101299. The reversal of 193101293 is 392101391.

It is not a de Polignac number, because 193101293 - 22 = 193101289 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 (193101299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2396 + ... + 19797.

It is an arithmetic number, because the mean of its divisors is an integer number (15180696).

Almost surely, 2193101293 is an apocalyptic number.

It is an amenable number.

193101293 is a deficient number, since it is larger than the sum of its proper divisors (49789843).

193101293 is a wasteful number, since it uses less digits than its factorization.

193101293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22324.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 193101293 is about 13896.0891260815. The cubic root of 193101293 is about 578.0007393341. Note that the first 3 decimals are identical.

The spelling of 193101293 in words is "one hundred ninety-three million, one hundred one thousand, two hundred ninety-three".

Divisors: 1 7 11 77 113 791 1243 8701 22193 155351 244123 1708861 2507809 17554663 27585899 193101293