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11211066 = 232976421
BaseRepresentation
bin101010110001…
…000100111010
3210002120200200
4222301010322
510332223231
61040143030
7164202216
oct52610472
923076620
1011211066
116368049
123907a76
132426b89
1416bb946
15eb6be6
hexab113a

11211066 has 24 divisors (see below), whose sum is σ = 24544884. Its totient is φ = 3697920.

The previous prime is 11211061. The next prime is 11211071. The reversal of 11211066 is 66011211.

It is an interprime number because it is at equal distance from previous prime (11211061) and next prime (11211071).

It can be written as a sum of positive squares in 2 ways, for example, as 10989225 + 221841 = 3315^2 + 471^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11211061) 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 11 ways as a sum of consecutive naturals, for example, 1465 + ... + 4956.

Almost surely, 211211066 is an apocalyptic number.

11211066 is an abundant number, since it is smaller than the sum of its proper divisors (13333818).

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

11211066 is a wasteful number, since it uses less digits than its factorization.

11211066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6526 (or 6523 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 11211066 is about 3348.2929979319. The cubic root of 11211066 is about 223.8114511363.

Adding to 11211066 its reverse (66011211), we get a palindrome (77222277).

It can be divided in two parts, 1121 and 1066, that added together give a 7-th power (2187 = 37).

The spelling of 11211066 in words is "eleven million, two hundred eleven thousand, sixty-six".

Divisors: 1 2 3 6 9 18 97 194 291 582 873 1746 6421 12842 19263 38526 57789 115578 622837 1245674 1868511 3737022 5605533 11211066