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268096860 = 223258271801
BaseRepresentation
bin11111111101011…
…01010101011100
3200200110201202100
433332231111130
51022113044420
642334125100
76433533333
oct1776552534
9620421670
10268096860
11128374159
1275950790
134370a7c5
142786ad1a
151880b190
hexffad55c

268096860 has 72 divisors (see below), whose sum is σ = 814662576. Its totient is φ = 71366400.

The previous prime is 268096853. The next prime is 268096867. The reversal of 268096860 is 68690862.

It is an interprime number because it is at equal distance from previous prime (268096853) and next prime (268096867).

It is a super-4 number, since 4×2680968604 (a number of 35 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268096867) 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 23 ways as a sum of consecutive naturals, for example, 147960 + ... + 149760.

It is an arithmetic number, because the mean of its divisors is an integer number (11314758).

Almost surely, 2268096860 is an apocalyptic number.

268096860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268096860 is an abundant number, since it is smaller than the sum of its proper divisors (546565716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268096860 is a wasteful number, since it uses less digits than its factorization.

268096860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643 (or 2638 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 268096860 is about 16373.6636095896. The cubic root of 268096860 is about 644.8082357633.

The spelling of 268096860 in words is "two hundred sixty-eight million, ninety-six thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 827 1654 1801 2481 3308 3602 4135 4962 5403 7204 7443 8270 9005 9924 10806 12405 14886 16209 16540 18010 21612 24810 27015 29772 32418 36020 37215 49620 54030 64836 74430 81045 108060 148860 162090 324180 1489427 2978854 4468281 5957708 7447135 8936562 13404843 14894270 17873124 22341405 26809686 29788540 44682810 53619372 67024215 89365620 134048430 268096860