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266230250 = 25311213677
BaseRepresentation
bin11111101111001…
…01100111101010
3200112221220020122
433313211213222
51021123332000
642230123242
76411630326
oct1767454752
9615856218
10266230250
11127309800
12751b0522
1343205cc0
1427502986
151858d085
hexfde59ea

266230250 has 96 divisors (see below), whose sum is σ = 590820048. Its totient is φ = 89232000.

The previous prime is 266230249. The next prime is 266230253. The reversal of 266230250 is 52032662.

It can be written as a sum of positive squares in 8 ways, for example, as 29408929 + 236821321 = 5423^2 + 15389^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266230253) 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 47 ways as a sum of consecutive naturals, for example, 392912 + ... + 393588.

Almost surely, 2266230250 is an apocalyptic number.

266230250 is an abundant number, since it is smaller than the sum of its proper divisors (324589798).

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

266230250 is a wasteful number, since it uses less digits than its factorization.

266230250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 266230250 is about 16316.5636700869. The cubic root of 266230250 is about 643.3082682984.

The spelling of 266230250 in words is "two hundred sixty-six million, two hundred thirty thousand, two hundred fifty".

Divisors: 1 2 5 10 11 13 22 25 26 50 55 65 110 121 125 130 143 242 250 275 286 325 550 605 650 677 715 1210 1354 1375 1430 1573 1625 2750 3025 3146 3250 3385 3575 6050 6770 7150 7447 7865 8801 14894 15125 15730 16925 17602 17875 30250 33850 35750 37235 39325 44005 74470 78650 81917 84625 88010 96811 163834 169250 186175 193622 196625 220025 372350 393250 409585 440050 484055 819170 930875 968110 1064921 1100125 1861750 2047925 2129842 2200250 2420275 4095850 4840550 5324605 10239625 10649210 12101375 20479250 24202750 26623025 53246050 133115125 266230250