Search a number
-
+
266774132 = 221729135281
BaseRepresentation
bin11111110011010…
…10011001110100
3200120222112022102
433321222121310
51021243233012
642245521232
76416354102
oct1771523164
9616875272
10266774132
11127650399
1275413218
1343366721
1427604c72
15186492c2
hexfe6a674

266774132 has 24 divisors (see below), whose sum is σ = 511365960. Its totient is φ = 121210880.

The previous prime is 266774119. The next prime is 266774143. The reversal of 266774132 is 231477662.

It can be written as a sum of positive squares in 4 ways, for example, as 117592336 + 149181796 = 10844^2 + 12214^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 65669 + ... + 69612.

It is an arithmetic number, because the mean of its divisors is an integer number (21306915).

Almost surely, 2266774132 is an apocalyptic number.

It is an amenable number.

266774132 is a deficient number, since it is larger than the sum of its proper divisors (244591828).

266774132 is a wasteful number, since it uses less digits than its factorization.

266774132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135331 (or 135329 counting only the distinct ones).

The product of its digits is 84672, while the sum is 38.

The square root of 266774132 is about 16333.2217275099. The cubic root of 266774132 is about 643.7460419903.

The spelling of 266774132 in words is "two hundred sixty-six million, seven hundred seventy-four thousand, one hundred thirty-two".

Divisors: 1 2 4 17 29 34 58 68 116 493 986 1972 135281 270562 541124 2299777 3923149 4599554 7846298 9199108 15692596 66693533 133387066 266774132