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268290000 = 24325411271
BaseRepresentation
bin11111111110111…
…00011111010000
3200200211112200200
433333130133100
51022140240000
642342215200
76435266406
oct1777343720
9620745620
10268290000
11128496280
1275a24500
13437776a4
14278bb476
1518848500
hexffdc7d0

268290000 has 300 divisors, whose sum is σ = 1027321152. Its totient is φ = 64800000.

The previous prime is 268289993. The next prime is 268290023. The reversal of 268290000 is 92862.

It is a tau number, because it is divible by the number of its divisors (300).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 989865 + ... + 990135.

Almost surely, 2268290000 is an apocalyptic number.

268290000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268290000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513660576).

268290000 is an abundant number, since it is smaller than the sum of its proper divisors (759031152).

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

268290000 is a wasteful number, since it uses less digits than its factorization.

268290000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 268290000 is about 16379.5604336624. The cubic root of 268290000 is about 644.9630409686.

The spelling of 268290000 in words is "two hundred sixty-eight million, two hundred ninety thousand".