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268003331 = 1971360423
BaseRepresentation
bin11111111100101…
…10100000000011
3200200021222110022
433332112200003
51022102101311
642332124055
76432663551
oct1776264003
9620258408
10268003331
1112830a962
127590662b
13436a706b
1427844bd1
15187dd5db
hexff96803

268003331 has 4 divisors (see below), whose sum is σ = 269363952. Its totient is φ = 266642712.

The previous prime is 268003301. The next prime is 268003349. The reversal of 268003331 is 133300862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268003331 - 210 = 268002307 is a prime.

It is a super-2 number, since 2×2680033312 = 143651570854191122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268003331.

It is not an unprimeable number, because it can be changed into a prime (268003301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680015 + ... + 680408.

It is an arithmetic number, because the mean of its divisors is an integer number (67340988).

Almost surely, 2268003331 is an apocalyptic number.

268003331 is a deficient number, since it is larger than the sum of its proper divisors (1360621).

268003331 is a wasteful number, since it uses less digits than its factorization.

268003331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360620.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 268003331 is about 16370.8072800336. The cubic root of 268003331 is about 644.7332438568.

The spelling of 268003331 in words is "two hundred sixty-eight million, three thousand, three hundred thirty-one".

Divisors: 1 197 1360423 268003331