Search a number
-
+
194906268 = 22325414063
BaseRepresentation
bin10111001111000…
…00100010011100
3111120202021010200
423213200202130
5344344000033
631201303500
74554450564
oct1347404234
9446667120
10194906268
11a0023a67
1255334b90
13314c296b
141bc57da4
15121a0013
hexb9e089c

194906268 has 18 divisors (see below), whose sum is σ = 492679824. Its totient is φ = 64968744.

The previous prime is 194906263. The next prime is 194906293. The reversal of 194906268 is 862609491.

It is a happy number.

194906268 is a `hidden beast` number, since 19 + 4 + 9 + 0 + 626 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194906263) 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 in 5 ways as a sum of consecutive naturals, for example, 2706996 + ... + 2707067.

Almost surely, 2194906268 is an apocalyptic number.

194906268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

194906268 is an abundant number, since it is smaller than the sum of its proper divisors (297773556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194906268 is a wasteful number, since it uses less digits than its factorization.

194906268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5414073 (or 5414068 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 194906268 is about 13960.8834963981. The cubic root of 194906268 is about 579.7960717872.

The spelling of 194906268 in words is "one hundred ninety-four million, nine hundred six thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 5414063 10828126 16242189 21656252 32484378 48726567 64968756 97453134 194906268