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268932785 = 5112444517
BaseRepresentation
bin10000000001111…
…001011010110001
3200202001012102112
4100001321122301
51022321322120
642404055105
76443614412
oct2001713261
9622035375
10268932785
11128895200
1276094495
1343941134
1427a07809
1518923bc5
hex100796b1

268932785 has 12 divisors (see below), whose sum is σ = 354725364. Its totient is φ = 195587040.

The previous prime is 268932773. The next prime is 268932799. The reversal of 268932785 is 587239862.

It can be written as a sum of positive squares in 2 ways, for example, as 204804721 + 64128064 = 14311^2 + 8008^2 .

It is not a de Polignac number, because 268932785 - 28 = 268932529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221654 + ... + 222863.

It is an arithmetic number, because the mean of its divisors is an integer number (29560447).

Almost surely, 2268932785 is an apocalyptic number.

It is an amenable number.

268932785 is a deficient number, since it is larger than the sum of its proper divisors (85792579).

268932785 is a wasteful number, since it uses less digits than its factorization.

268932785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444544 (or 444533 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 268932785 is about 16399.1702534000. The cubic root of 268932785 is about 645.4777103220.

The spelling of 268932785 in words is "two hundred sixty-eight million, nine hundred thirty-two thousand, seven hundred eighty-five".

Divisors: 1 5 11 55 121 605 444517 2222585 4889687 24448435 53786557 268932785