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298142208 = 293471379
BaseRepresentation
bin10001110001010…
…100101000000000
3202210000012020000
4101301110220000
51102311022313
645330120000
710250111160
oct2161245000
9683005200
10298142208
11143325721
1283a20000
13499ca310
142b84c5a0
151b293673
hex11c54a00

298142208 has 400 divisors, whose sum is σ = 1109095680. Its totient is φ = 77635584.

The previous prime is 298142183. The next prime is 298142213. The reversal of 298142208 is 802241892.

It is a super-2 number, since 2×2981422082 = 177777552382230528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3773913 + ... + 3773991.

Almost surely, 2298142208 is an apocalyptic number.

298142208 is a gapful number since it is divisible by the number (28) 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 298142208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554547840).

298142208 is an abundant number, since it is smaller than the sum of its proper divisors (810953472).

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

298142208 is an equidigital number, since it uses as much as digits as its factorization.

298142208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 298142208 is about 17266.7949544784. The cubic root of 298142208 is about 668.0482353685.

The spelling of 298142208 in words is "two hundred ninety-eight million, one hundred forty-two thousand, two hundred eight".