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338987223 = 32139270973
BaseRepresentation
bin10100001101001…
…000100011010111
3212121212100001100
4110031020203113
51143240042343
653345401143
711254225641
oct2415104327
9777770040
10338987223
11164393133
12956391b3
13552cb673
1433041891
151eb609d3
hex143488d7

338987223 has 12 divisors (see below), whose sum is σ = 493172680. Its totient is φ = 224364816.

The previous prime is 338987153. The next prime is 338987267. The reversal of 338987223 is 322789833.

It is a happy number.

338987223 is a `hidden beast` number, since 338 + 98 + 7 + 223 = 666.

It is not a de Polignac number, because 338987223 - 225 = 305432791 is a prime.

It is a super-2 number, since 2×3389872232 = 229824674714503458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338987723) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 134236 + ... + 136737.

Almost surely, 2338987223 is an apocalyptic number.

338987223 is a deficient number, since it is larger than the sum of its proper divisors (154185457).

338987223 is a wasteful number, since it uses less digits than its factorization.

338987223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271118 (or 271115 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 338987223 is about 18411.6056605609. The cubic root of 338987223 is about 697.2595047086.

The spelling of 338987223 in words is "three hundred thirty-eight million, nine hundred eighty-seven thousand, two hundred twenty-three".

Divisors: 1 3 9 139 417 1251 270973 812919 2438757 37665247 112995741 338987223