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190308160 = 2657253229
BaseRepresentation
bin10110101011111…
…01111101000000
3111021002122201101
423111331331000
5342204330120
630514544144
74500410200
oct1325757500
9437078641
10190308160
1198473379
1253898054
1330572aa3
141b3bc400
1511a9290a
hexb57df40

190308160 has 168 divisors, whose sum is σ = 539450280. Its totient is φ = 63737856.

The previous prime is 190308133. The next prime is 190308191. The reversal of 190308160 is 61803091.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 78287104 + 112021056 = 8848^2 + 10584^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 830926 + ... + 831154.

Almost surely, 2190308160 is an apocalyptic number.

190308160 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 190308160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269725140).

190308160 is an abundant number, since it is smaller than the sum of its proper divisors (349142120).

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

190308160 is a wasteful number, since it uses less digits than its factorization.

190308160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 190308160 is about 13795.2223613829. Note that the first 3 decimals coincide. The cubic root of 190308160 is about 575.2003435460.

The spelling of 190308160 in words is "one hundred ninety million, three hundred eight thousand, one hundred sixty".