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268604797 is a prime number
BaseRepresentation
bin10000000000101…
…001010101111101
3200201102112111211
4100000221111331
51022230323142
642353044421
76441050236
oct2000512575
9621375454
10268604797
1112869083a
1275b56711
1343857a66
142796008d
15188ab917
hex1002957d

268604797 has 2 divisors, whose sum is σ = 268604798. Its totient is φ = 268604796.

The previous prime is 268604773. The next prime is 268604813. The reversal of 268604797 is 797406862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268599321 + 5476 = 16389^2 + 74^2 .

It is a cyclic number.

It is not a de Polignac number, because 268604797 - 27 = 268604669 is a prime.

It is a super-2 number, since 2×2686047972 = 144297073942822418, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268604797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268604717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134302398 + 134302399.

It is an arithmetic number, because the mean of its divisors is an integer number (134302399).

Almost surely, 2268604797 is an apocalyptic number.

It is an amenable number.

268604797 is a deficient number, since it is larger than the sum of its proper divisors (1).

268604797 is an equidigital number, since it uses as much as digits as its factorization.

268604797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 268604797 is about 16389.1670624227. The cubic root of 268604797 is about 645.2151973082.

The spelling of 268604797 in words is "two hundred sixty-eight million, six hundred four thousand, seven hundred ninety-seven".