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268382030 = 25719201791
BaseRepresentation
bin11111111111100…
…10111101001110
3200201000012221012
433333302331032
51022201211110
642344205222
76436131620
oct1777627516
9621005835
10268382030
11128549434
1275a69812
13437aa547
1427902c10
1518865905
hexfff2f4e

268382030 has 32 divisors (see below), whose sum is σ = 581160960. Its totient is φ = 87173280.

The previous prime is 268381969. The next prime is 268382033. The reversal of 268382030 is 30283862.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268382033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99566 + ... + 102225.

It is an arithmetic number, because the mean of its divisors is an integer number (18161280).

Almost surely, 2268382030 is an apocalyptic number.

268382030 is an abundant number, since it is smaller than the sum of its proper divisors (312778930).

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

268382030 is a wasteful number, since it uses less digits than its factorization.

268382030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201824.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 268382030 is about 16382.3694867379. The cubic root of 268382030 is about 645.0367785450.

The spelling of 268382030 in words is "two hundred sixty-eight million, three hundred eighty-two thousand, thirty".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 201791 403582 1008955 1412537 2017910 2825074 3834029 7062685 7668058 14125370 19170145 26838203 38340290 53676406 134191015 268382030