Search a number
-
+
11666270 = 25711109139
BaseRepresentation
bin101100100000…
…001101011110
3210221201010002
4230200031132
510441310040
61054014302
7201106310
oct54401536
923851102
1011666270
116649050
123aa7392
132556125
1417997b0
151056a15
hexb2035e

11666270 has 64 divisors (see below), whose sum is σ = 26611200. Its totient is φ = 3576960.

The previous prime is 11666269. The next prime is 11666273. The reversal of 11666270 is 7266611.

It is a super-2 number, since 2×116662702 = 272203711425800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11666273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83861 + ... + 83999.

It is an arithmetic number, because the mean of its divisors is an integer number (415800).

Almost surely, 211666270 is an apocalyptic number.

11666270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11666270 is an abundant number, since it is smaller than the sum of its proper divisors (14944930).

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

11666270 is a wasteful number, since it uses less digits than its factorization.

11666270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 11666270 is about 3415.5921887720. The cubic root of 11666270 is about 226.8005000678.

The spelling of 11666270 in words is "eleven million, six hundred sixty-six thousand, two hundred seventy".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 109 110 139 154 218 278 385 545 695 763 770 973 1090 1199 1390 1526 1529 1946 2398 3058 3815 4865 5995 7630 7645 8393 9730 10703 11990 15151 15290 16786 21406 30302 41965 53515 75755 83930 106057 107030 151510 166661 212114 333322 530285 833305 1060570 1166627 1666610 2333254 5833135 11666270