Search a number
-
+
193092228 = 22337255413
BaseRepresentation
bin10111000001001…
…01101010000100
3111110100002202000
423200211222010
5343412422403
631054345300
74533154050
oct1340455204
9443302660
10193092228
1199aa505a
12547bb230
1331009074
141b904c60
1511e427a3
hexb825a84

193092228 has 48 divisors (see below), whose sum is σ = 572127360. Its totient is φ = 55168992.

The previous prime is 193092223. The next prime is 193092281. The reversal of 193092228 is 822290391.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 193092192 and 193092201.

It is not an unprimeable number, because it can be changed into a prime (193092223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126951 + ... + 128462.

It is an arithmetic number, because the mean of its divisors is an integer number (11919320).

Almost surely, 2193092228 is an apocalyptic number.

193092228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

193092228 is an abundant number, since it is smaller than the sum of its proper divisors (379035132).

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

193092228 is a wasteful number, since it uses less digits than its factorization.

193092228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255433 (or 255425 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 193092228 is about 13895.7629513460. The cubic root of 193092228 is about 577.9916945842.

The spelling of 193092228 in words is "one hundred ninety-three million, ninety-two thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 255413 510826 766239 1021652 1532478 1787891 2298717 3064956 3575782 4597434 5363673 6896151 7151564 9194868 10727346 13792302 16091019 21454692 27584604 32182038 48273057 64364076 96546114 193092228