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208028898 = 23671117109
BaseRepresentation
bin11000110011001…
…00010011100010
3112111102222000000
430121210103202
5411223411043
632350440430
75104134150
oct1431442342
9474388000
10208028898
11a7477210
1259803116
133413892c
141d8b23d0
15133e32d3
hexc6644e2

208028898 has 224 divisors, whose sum is σ = 623272320. Its totient is φ = 50388480.

The previous prime is 208028897. The next prime is 208028927. The reversal of 208028898 is 898820802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208028893) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1908468 + ... + 1908576.

Almost surely, 2208028898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208028898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311636160).

208028898 is an abundant number, since it is smaller than the sum of its proper divisors (415243422).

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

208028898 is a wasteful number, since it uses less digits than its factorization.

208028898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 208028898 is about 14423.2069249526. The cubic root of 208028898 is about 592.5266515812.

The spelling of 208028898 in words is "two hundred eight million, twenty-eight thousand, eight hundred ninety-eight".