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338708864 = 2713297019
BaseRepresentation
bin10100001100000…
…100100110000000
3212121100012012202
4110030010212000
51143202140424
653335412332
711251656254
oct2414044600
9777305182
10338708864
11164212a8a
12955240a8
1355231a60
1432dac264
151eb082ae
hex14304980

338708864 has 64 divisors (see below), whose sum is σ = 751842000. Its totient is φ = 150915072.

The previous prime is 338708863. The next prime is 338708869. The reversal of 338708864 is 468807833.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×3387088642 = 229447389104340992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338708863) 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, 44747 + ... + 51765.

Almost surely, 2338708864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 338708864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375921000).

338708864 is an abundant number, since it is smaller than the sum of its proper divisors (413133136).

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

338708864 is a wasteful number, since it uses less digits than its factorization.

338708864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7075 (or 7063 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 338708864 is about 18404.0447728210. The cubic root of 338708864 is about 697.0686011438.

The spelling of 338708864 in words is "three hundred thirty-eight million, seven hundred eight thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 13 16 26 29 32 52 58 64 104 116 128 208 232 377 416 464 754 832 928 1508 1664 1856 3016 3712 6032 7019 12064 14038 24128 28076 48256 56152 91247 112304 182494 203551 224608 364988 407102 449216 729976 814204 898432 1459952 1628408 2646163 2919904 3256816 5292326 5839808 6513632 10584652 11679616 13027264 21169304 26054528 42338608 84677216 169354432 338708864