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268905050 = 2525378101
BaseRepresentation
bin10000000001110…
…010101001011010
3200201222210101022
4100001302221122
51022314430200
642403322442
76443440511
oct2001625132
9621883338
10268905050
11128876387
1276080422
134393161b
14279db678
151891a885
hex10072a5a

268905050 has 12 divisors (see below), whose sum is σ = 500163486. Its totient is φ = 107562000.

The previous prime is 268905041. The next prime is 268905053. The reversal of 268905050 is 50509862.

It can be written as a sum of positive squares in 3 ways, for example, as 239104369 + 29800681 = 15463^2 + 5459^2 .

It is a super-3 number, since 3×2689050503 (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 268905050.

It is not an unprimeable number, because it can be changed into a prime (268905053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2689001 + ... + 2689100.

Almost surely, 2268905050 is an apocalyptic number.

268905050 is a deficient number, since it is larger than the sum of its proper divisors (231258436).

268905050 is a wasteful number, since it uses less digits than its factorization.

268905050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5378113 (or 5378108 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 268905050 is about 16398.3246095447. The cubic root of 268905050 is about 645.4555202176.

The spelling of 268905050 in words is "two hundred sixty-eight million, nine hundred five thousand, fifty".

Divisors: 1 2 5 10 25 50 5378101 10756202 26890505 53781010 134452525 268905050