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338845380 = 223555710139
BaseRepresentation
bin10100001100100…
…101111011000100
3212121121010110220
4110030211323010
51143221023010
653342344340
711253065256
oct2414457304
9777533426
10338845380
111642a6605
129558b0b0
135527bc33
1433005cd6
151eb33970
hex14325ec4

338845380 has 48 divisors (see below), whose sum is σ = 950564160. Its totient is φ = 90187648.

The previous prime is 338845369. The next prime is 338845391. The reversal of 338845380 is 83548833.

It is an interprime number because it is at equal distance from previous prime (338845369) and next prime (338845391).

It is a super-2 number, since 2×3388453802 = 229632383094688800, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 28351 + ... + 38489.

It is an arithmetic number, because the mean of its divisors is an integer number (19803420).

Almost surely, 2338845380 is an apocalyptic number.

338845380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

338845380 is an abundant number, since it is smaller than the sum of its proper divisors (611718780).

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

338845380 is a wasteful number, since it uses less digits than its factorization.

338845380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10708 (or 10706 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 338845380 is about 18407.7532577987. The cubic root of 338845380 is about 697.1622393144.

The spelling of 338845380 in words is "three hundred thirty-eight million, eight hundred forty-five thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 557 1114 1671 2228 2785 3342 5570 6684 8355 10139 11140 16710 20278 30417 33420 40556 50695 60834 101390 121668 152085 202780 304170 608340 5647423 11294846 16942269 22589692 28237115 33884538 56474230 67769076 84711345 112948460 169422690 338845380