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298939872 = 253711371093
BaseRepresentation
bin10001110100010…
…111010111100000
3202211111201102010
4101310113113200
51103012033442
645355152520
710256642550
oct2164272740
9684451363
10298939872
1114381aa50
1284145740
1349c193ca
142b9b9160
151b39eb9c
hex11d175e0

298939872 has 192 divisors, whose sum is σ = 1005709824. Its totient is φ = 75479040.

The previous prime is 298939867. The next prime is 298939873. The reversal of 298939872 is 278939892.

It is a super-4 number, since 4×2989398724 (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298939873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272958 + ... + 274050.

It is an arithmetic number, because the mean of its divisors is an integer number (5238072).

Almost surely, 2298939872 is an apocalyptic number.

298939872 is a gapful number since it is divisible by the number (22) 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 298939872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502854912).

298939872 is an abundant number, since it is smaller than the sum of its proper divisors (706769952).

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

298939872 is a wasteful number, since it uses less digits than its factorization.

298939872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161 (or 1153 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 57.

The square root of 298939872 is about 17289.8777323612. The cubic root of 298939872 is about 668.6434809586.

The spelling of 298939872 in words is "two hundred ninety-eight million, nine hundred thirty-nine thousand, eight hundred seventy-two".