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338193980 = 22516909699
BaseRepresentation
bin10100001010000…
…110111000111100
3212120101000220222
4110022012320330
51143034201410
653320400512
711244413165
oct2412067074
9776330828
10338193980
111639a1163
1295316138
13550b15a7
1432cb676c
151ea55955
hex14286e3c

338193980 has 12 divisors (see below), whose sum is σ = 710207400. Its totient is φ = 135277584.

The previous prime is 338193967. The next prime is 338194033. The reversal of 338193980 is 89391833.

It is a super-2 number, since 2×3381939802 = 228750336216480800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8454830 + ... + 8454869.

It is an arithmetic number, because the mean of its divisors is an integer number (59183950).

Almost surely, 2338193980 is an apocalyptic number.

It is an amenable number.

338193980 is an abundant number, since it is smaller than the sum of its proper divisors (372013420).

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

338193980 is a wasteful number, since it uses less digits than its factorization.

338193980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16909708 (or 16909706 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 338193980 is about 18390.0511146652. The cubic root of 338193980 is about 696.7152086727.

The spelling of 338193980 in words is "three hundred thirty-eight million, one hundred ninety-three thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 16909699 33819398 67638796 84548495 169096990 338193980