Search a number
-
+
189285212 = 2248797169
BaseRepresentation
bin10110100100001…
…00001101011100
3111012011200111102
423102010031130
5341424111322
630441012232
74455616634
oct1322041534
9435150442
10189285212
1197934866
1253484078
13302a52ac
141b1d36c4
151193e792
hexb48435c

189285212 has 12 divisors (see below), whose sum is σ = 331932720. Its totient is φ = 94447296.

The previous prime is 189285209. The next prime is 189285223. The reversal of 189285212 is 212582981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46637 + ... + 50532.

It is an arithmetic number, because the mean of its divisors is an integer number (27661060).

Almost surely, 2189285212 is an apocalyptic number.

It is an amenable number.

189285212 is a deficient number, since it is larger than the sum of its proper divisors (142647508).

189285212 is a wasteful number, since it uses less digits than its factorization.

189285212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97660 (or 97658 counting only the distinct ones).

The product of its digits is 23040, while the sum is 38.

The square root of 189285212 is about 13758.0962345813. The cubic root of 189285212 is about 574.1678821944.

The spelling of 189285212 in words is "one hundred eighty-nine million, two hundred eighty-five thousand, two hundred twelve".

Divisors: 1 2 4 487 974 1948 97169 194338 388676 47321303 94642606 189285212