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268513008 = 2435594021
BaseRepresentation
bin10000000000010…
…010111011110000
3200201020212121020
4100000102323300
51022214404013
642351055440
76440215521
oct2000227360
9621225536
10268513008
11128628885
1275b11580
134382504a
1427938848
151888e623
hex10012ef0

268513008 has 20 divisors (see below), whose sum is σ = 693658728. Its totient is φ = 89504320.

The previous prime is 268512967. The next prime is 268513009. The reversal of 268513008 is 800315862.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 268513008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268513009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2796963 + ... + 2797058.

Almost surely, 2268513008 is an apocalyptic number.

It is an amenable number.

268513008 is an abundant number, since it is smaller than the sum of its proper divisors (425145720).

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

268513008 is a wasteful number, since it uses less digits than its factorization.

268513008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594032 (or 5594026 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 268513008 is about 16386.3665283064. The cubic root of 268513008 is about 645.1416935265.

The spelling of 268513008 in words is "two hundred sixty-eight million, five hundred thirteen thousand, eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 5594021 11188042 16782063 22376084 33564126 44752168 67128252 89504336 134256504 268513008