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189606912 = 21031131181
BaseRepresentation
bin10110100110100…
…10110000000000
3111012210000210020
423103102300000
5342014410122
630451533440
74461426555
oct1323226000
9435700706
10189606912
1198034530
12535ba280
1330388851
141b278a2c
15119a4c5c
hexb4d2c00

189606912 has 176 divisors, whose sum is σ = 572242944. Its totient is φ = 55296000.

The previous prime is 189606877. The next prime is 189606929. The reversal of 189606912 is 219606981.

It is a tau number, because it is divible by the number of its divisors (176).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1047462 + ... + 1047642.

Almost surely, 2189606912 is an apocalyptic number.

189606912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189606912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286121472).

189606912 is an abundant number, since it is smaller than the sum of its proper divisors (382636032).

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

189606912 is a wasteful number, since it uses less digits than its factorization.

189606912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 189606912 is about 13769.7825690895. The cubic root of 189606912 is about 574.4929740900.

The spelling of 189606912 in words is "one hundred eighty-nine million, six hundred six thousand, nine hundred twelve".