Search a number
-
+
193925293 is a prime number
BaseRepresentation
bin10111000111100…
…01000010101101
3111111220102111021
423203301002231
5344121102133
631124254141
74543223602
oct1343610255
9444812437
10193925293
119a513a41
1254b41351
133123b2c3
141ba806a9
151205952d
hexb8f10ad

193925293 has 2 divisors, whose sum is σ = 193925294. Its totient is φ = 193925292.

The previous prime is 193925231. The next prime is 193925297. The reversal of 193925293 is 392529391.

193925293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163916809 + 30008484 = 12803^2 + 5478^2 .

It is a cyclic number.

It is not a de Polignac number, because 193925293 - 29 = 193924781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193925297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96962646 + 96962647.

It is an arithmetic number, because the mean of its divisors is an integer number (96962647).

Almost surely, 2193925293 is an apocalyptic number.

It is an amenable number.

193925293 is a deficient number, since it is larger than the sum of its proper divisors (1).

193925293 is an equidigital number, since it uses as much as digits as its factorization.

193925293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 131220, while the sum is 43.

The square root of 193925293 is about 13925.7061939422. The cubic root of 193925293 is about 578.8217190983.

The spelling of 193925293 in words is "one hundred ninety-three million, nine hundred twenty-five thousand, two hundred ninety-three".