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338722980 = 22355645383
BaseRepresentation
bin10100001100001…
…000000010100100
3212121100220120120
4110030020002210
51143203113410
653340001540
711252045361
oct2414100244
9777326516
10338722980
11164222652
12955302b0
13552382cb
1432db3468
151eb0c570
hex143080a4

338722980 has 24 divisors (see below), whose sum is σ = 948424512. Its totient is φ = 90326112.

The previous prime is 338722963. The next prime is 338722981. The reversal of 338722980 is 89227833.

It is a super-2 number, since 2×3387229802 = 229466514360160800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338722981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2822632 + ... + 2822751.

It is an arithmetic number, because the mean of its divisors is an integer number (39517688).

Almost surely, 2338722980 is an apocalyptic number.

338722980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

338722980 is an abundant number, since it is smaller than the sum of its proper divisors (609701532).

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

338722980 is a wasteful number, since it uses less digits than its factorization.

338722980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5645395 (or 5645393 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 338722980 is about 18404.4282714786. The cubic root of 338722980 is about 697.0782846653.

The spelling of 338722980 in words is "three hundred thirty-eight million, seven hundred twenty-two thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5645383 11290766 16936149 22581532 28226915 33872298 56453830 67744596 84680745 112907660 169361490 338722980