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268890592 = 258402831
BaseRepresentation
bin10000000001101…
…111000111100000
3200201222001112211
4100001233013200
51022313444332
642403131504
76443350405
oct2001570740
9621861484
10268890592
11128866533
1276073b94
1343927b79
14279d62ac
1518916447
hex1006f1e0

268890592 has 12 divisors (see below), whose sum is σ = 529378416. Its totient is φ = 134445280.

The previous prime is 268890569. The next prime is 268890599. The reversal of 268890592 is 295098862.

It is a super-2 number, since 2×2688905922 = 144604300932220928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268890599) 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 as a sum of consecutive naturals, namely, 4201384 + ... + 4201447.

It is an arithmetic number, because the mean of its divisors is an integer number (44114868).

Almost surely, 2268890592 is an apocalyptic number.

It is an amenable number.

268890592 is a deficient number, since it is larger than the sum of its proper divisors (260487824).

268890592 is an equidigital number, since it uses as much as digits as its factorization.

268890592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8402841 (or 8402833 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 268890592 is about 16397.8837659010. The cubic root of 268890592 is about 645.4439521155.

The spelling of 268890592 in words is "two hundred sixty-eight million, eight hundred ninety thousand, five hundred ninety-two".

Divisors: 1 2 4 8 16 32 8402831 16805662 33611324 67222648 134445296 268890592