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268260192 = 25321138243
BaseRepresentation
bin11111111110101…
…01001101100000
3200200210000210200
433333111031200
51022133311232
642341425200
76435113454
oct1777251540
9620700720
10268260192
11128475942
1275a0b200
1343766c55
14278b0664
151883e77c
hexffd5360

268260192 has 72 divisors (see below), whose sum is σ = 769709304. Its totient is φ = 88617984.

The previous prime is 268260163. The next prime is 268260199. The reversal of 268260192 is 291062862.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×2682601922 = 143927061223753728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268260199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28423 + ... + 36665.

It is an arithmetic number, because the mean of its divisors is an integer number (10690407).

Almost surely, 2268260192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268260192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384854652).

268260192 is an abundant number, since it is smaller than the sum of its proper divisors (501449112).

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

268260192 is a wasteful number, since it uses less digits than its factorization.

268260192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8372 (or 8361 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 268260192 is about 16378.6504938594. The cubic root of 268260192 is about 644.9391541666.

The spelling of 268260192 in words is "two hundred sixty-eight million, two hundred sixty thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 113 144 226 288 339 452 678 904 1017 1356 1808 2034 2712 3616 4068 5424 8136 8243 10848 16272 16486 24729 32544 32972 49458 65944 74187 98916 131888 148374 197832 263776 296748 395664 593496 791328 931459 1186992 1862918 2373984 2794377 3725836 5588754 7451672 8383131 11177508 14903344 16766262 22355016 29806688 33532524 44710032 67065048 89420064 134130096 268260192