Search a number
-
+
192140207 = 7197139333
BaseRepresentation
bin10110111001111…
…01001110101111
3111101112201210222
423130331032233
5343141441312
631022121555
74522110350
oct1334751657
9441481728
10192140207
1199504866
12544202bb
1330a6493c
141b737d27
1511d05672
hexb73d3af

192140207 has 8 divisors (see below), whose sum is σ = 220705056. Its totient is φ = 163854432.

The previous prime is 192140191. The next prime is 192140209. The reversal of 192140207 is 702041291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 192140207 - 24 = 192140191 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 (192140209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68288 + ... + 71045.

It is an arithmetic number, because the mean of its divisors is an integer number (27588132).

Almost surely, 2192140207 is an apocalyptic number.

192140207 is a deficient number, since it is larger than the sum of its proper divisors (28564849).

192140207 is a wasteful number, since it uses less digits than its factorization.

192140207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139537.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 192140207 is about 13861.4648215836. The cubic root of 192140207 is about 577.0402199866.

Adding to 192140207 its reverse (702041291), we get a palindrome (894181498).

The spelling of 192140207 in words is "one hundred ninety-two million, one hundred forty thousand, two hundred seven".

Divisors: 1 7 197 1379 139333 975331 27448601 192140207