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268389418 = 21112199519
BaseRepresentation
bin11111111111101…
…00110000101010
3200201000121001211
433333310300222
51022201430133
642344303334
76436162303
oct1777646052
9621017054
10268389418
11128553a40
1275a71b4a
13437b0a0b
14279057aa
1518867bcd
hexfff4c2a

268389418 has 8 divisors (see below), whose sum is σ = 439182720. Its totient is φ = 121995180.

The previous prime is 268389389. The next prime is 268389427. The reversal of 268389418 is 814983862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6099738 + ... + 6099781.

It is an arithmetic number, because the mean of its divisors is an integer number (54897840).

Almost surely, 2268389418 is an apocalyptic number.

268389418 is a deficient number, since it is larger than the sum of its proper divisors (170793302).

268389418 is a wasteful number, since it uses less digits than its factorization.

268389418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12199532.

The product of its digits is 663552, while the sum is 49.

The square root of 268389418 is about 16382.5949714934. The cubic root of 268389418 is about 645.0426973317.

The spelling of 268389418 in words is "two hundred sixty-eight million, three hundred eighty-nine thousand, four hundred eighteen".

Divisors: 1 2 11 22 12199519 24399038 134194709 268389418