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189358080 = 213352367
BaseRepresentation
bin10110100100101…
…10000000000000
3111012022101110020
423102112000000
5341433424310
630442333440
74456342242
oct1322260000
9435271406
10189358080
119798458a
12534ba280
13302cc502
141b212092
1511956170
hexb496000

189358080 has 224 divisors, whose sum is σ = 641689344. Its totient is φ = 47579136.

The previous prime is 189358073. The next prime is 189358093. The reversal of 189358080 is 80853981.

It is a super-2 number, since 2×1893580802 = 71712964922572800, which contains 22 as substring.

It is a congruent number.

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, 2826207 + ... + 2826273.

Almost surely, 2189358080 is an apocalyptic number.

189358080 is a gapful number since it is divisible by the number (10) 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 189358080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320844672).

189358080 is an abundant number, since it is smaller than the sum of its proper divisors (452331264).

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

189358080 is an equidigital number, since it uses as much as digits as its factorization.

189358080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 189358080 is about 13760.7441659236. The cubic root of 189358080 is about 574.2415507379.

The spelling of 189358080 in words is "one hundred eighty-nine million, three hundred fifty-eight thousand, eighty".