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268822481 = 1034575711
BaseRepresentation
bin10000000001011…
…110011111010001
3200201211121010012
4100001132133101
51022304304411
642401444305
76442645004
oct2001363721
9621747105
10268822481
1112881a344
1276040695
1343902b75
14279b953b
151890118b
hex1005e7d1

268822481 has 8 divisors (see below), whose sum is σ = 272073984. Its totient is φ = 265583520.

The previous prime is 268822471. The next prime is 268822511. The reversal of 268822481 is 184228862.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-268822481 is a prime.

It is a super-2 number, since 2×2688224812 = 144531052581990722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (268822471) 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 7 ways as a sum of consecutive naturals, for example, 44216 + ... + 49926.

It is an arithmetic number, because the mean of its divisors is an integer number (34009248).

Almost surely, 2268822481 is an apocalyptic number.

It is an amenable number.

268822481 is a deficient number, since it is larger than the sum of its proper divisors (3251503).

268822481 is a wasteful number, since it uses less digits than its factorization.

268822481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6271.

The product of its digits is 98304, while the sum is 41.

The square root of 268822481 is about 16395.8068114991. The cubic root of 268822481 is about 645.3894497185.

The spelling of 268822481 in words is "two hundred sixty-eight million, eight hundred twenty-two thousand, four hundred eighty-one".

Divisors: 1 103 457 5711 47071 588233 2609927 268822481