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268274387 = 1734193701
BaseRepresentation
bin11111111110110…
…00101011010011
3200200210202021102
433333120223103
51022134240022
642342015015
76435203033
oct1777305323
9620722242
10268274387
11128485577
1275a1746b
1343770554
14278b58c3
1518843a92
hexffd8ad3

268274387 has 8 divisors (see below), whose sum is σ = 270542160. Its totient is φ = 266015200.

The previous prime is 268274371. The next prime is 268274411. The reversal of 268274387 is 783472862.

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

It is a cyclic number.

It is not a de Polignac number, because 268274387 - 24 = 268274371 is a prime.

It is a super-2 number, since 2×2682743872 = 143942293440451538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268274687) by changing a digit.

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, 70637 + ... + 74337.

It is an arithmetic number, because the mean of its divisors is an integer number (33817770).

Almost surely, 2268274387 is an apocalyptic number.

268274387 is a deficient number, since it is larger than the sum of its proper divisors (2267773).

268274387 is a wasteful number, since it uses less digits than its factorization.

268274387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4293.

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

The square root of 268274387 is about 16379.0838266369. The cubic root of 268274387 is about 644.9505296273.

The spelling of 268274387 in words is "two hundred sixty-eight million, two hundred seventy-four thousand, three hundred eighty-seven".

Divisors: 1 173 419 3701 72487 640273 1550719 268274387