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189768294 = 232101104383
BaseRepresentation
bin10110100111110…
…10001001100110
3111020002020011100
423103322021212
5342040041134
630455220530
74463001222
oct1323721146
9436066140
10189768294
1198134801
1253677746
1330414141
141b2bb782
15119d7999
hexb4fa266

189768294 has 24 divisors (see below), whose sum is σ = 415239552. Its totient is φ = 62629200.

The previous prime is 189768277. The next prime is 189768343. The reversal of 189768294 is 492867981.

It is a self number, because there is not a number n which added to its sum of digits gives 189768294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50374 + ... + 54009.

It is an arithmetic number, because the mean of its divisors is an integer number (17301648).

Almost surely, 2189768294 is an apocalyptic number.

189768294 is an abundant number, since it is smaller than the sum of its proper divisors (225471258).

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

189768294 is a wasteful number, since it uses less digits than its factorization.

189768294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104492 (or 104489 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 189768294 is about 13775.6413280834. The cubic root of 189768294 is about 574.6559191583.

The spelling of 189768294 in words is "one hundred eighty-nine million, seven hundred sixty-eight thousand, two hundred ninety-four".

Divisors: 1 2 3 6 9 18 101 202 303 606 909 1818 104383 208766 313149 626298 939447 1878894 10542683 21085366 31628049 63256098 94884147 189768294