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268843772 = 2253271337
BaseRepresentation
bin10000000001100…
…011101011111100
3200201212200022202
4100001203223330
51022311000042
642402131032
76443064041
oct2001435374
9621780282
10268843772
1112883433a
1276050a78
134390c772
14279c31c8
1518907632
hex10063afc

268843772 has 36 divisors (see below), whose sum is σ = 487717776. Its totient is φ = 129642240.

The previous prime is 268843753. The next prime is 268843777. The reversal of 268843772 is 277348862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268843777) 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 11 ways as a sum of consecutive naturals, for example, 797588 + ... + 797924.

It is an arithmetic number, because the mean of its divisors is an integer number (13547716).

Almost surely, 2268843772 is an apocalyptic number.

It is an amenable number.

268843772 is a deficient number, since it is larger than the sum of its proper divisors (218874004).

268843772 is a wasteful number, since it uses less digits than its factorization.

268843772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 463 counting only the distinct ones).

The product of its digits is 903168, while the sum is 47.

The square root of 268843772 is about 16396.4560805072. The cubic root of 268843772 is about 645.4064877578.

The spelling of 268843772 in words is "two hundred sixty-eight million, eight hundred forty-three thousand, seven hundred seventy-two".

Divisors: 1 2 4 53 71 106 142 212 284 337 674 1348 2809 3763 5618 7526 11236 15052 17861 23927 35722 47854 71444 95708 199439 398878 797756 946633 1268131 1893266 2536262 3786532 5072524 67210943 134421886 268843772