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268319255 = 567800953
BaseRepresentation
bin11111111111000…
…11101000010111
3200200220000211012
433333203220113
51022142204010
642343002435
76435450611
oct1777435027
9620800735
10268319255
11128506256
1275a3941b
1343787ab9
14278c7db1
1518852005
hexffe3a17

268319255 has 8 divisors (see below), whose sum is σ = 326789232. Its totient is φ = 211451328.

The previous prime is 268319237. The next prime is 268319263. The reversal of 268319255 is 552913862.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-268319255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400142 + ... + 400811.

It is an arithmetic number, because the mean of its divisors is an integer number (40848654).

Almost surely, 2268319255 is an apocalyptic number.

268319255 is a deficient number, since it is larger than the sum of its proper divisors (58469977).

268319255 is an equidigital number, since it uses as much as digits as its factorization.

268319255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801025.

The product of its digits is 129600, while the sum is 41.

The square root of 268319255 is about 16380.4534430522. The cubic root of 268319255 is about 644.9864829008.

The spelling of 268319255 in words is "two hundred sixty-eight million, three hundred nineteen thousand, two hundred fifty-five".

Divisors: 1 5 67 335 800953 4004765 53663851 268319255