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268642202 = 2197681833
BaseRepresentation
bin10000000000110…
…010011110011010
3200201111102211012
4100000302132122
51022233022302
642353533522
76441264263
oct2000623632
9621442735
10268642202
11128706954
1275b742a2
134386baaa
142796d96a
15188b7a52
hex1003279a

268642202 has 8 divisors (see below), whose sum is σ = 405009396. Its totient is φ = 133639072.

The previous prime is 268642183. The next prime is 268642207. The reversal of 268642202 is 202246862.

It can be written as a sum of positive squares in 2 ways, for example, as 236821321 + 31820881 = 15389^2 + 5641^2 .

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

It is not an unprimeable number, because it can be changed into a prime (268642207) 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 3 ways as a sum of consecutive naturals, for example, 340523 + ... + 341310.

Almost surely, 2268642202 is an apocalyptic number.

268642202 is a deficient number, since it is larger than the sum of its proper divisors (136367194).

268642202 is a wasteful number, since it uses less digits than its factorization.

268642202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682032.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 268642202 is about 16390.3081728197. The cubic root of 268642202 is about 645.2451460836.

The spelling of 268642202 in words is "two hundred sixty-eight million, six hundred forty-two thousand, two hundred two".

Divisors: 1 2 197 394 681833 1363666 134321101 268642202