Search a number
-
+
110211021 = 3243284783
BaseRepresentation
bin1101001000110…
…10111111001101
321200101022002200
412210122333031
5211203223041
614534112113
72505530634
oct644327715
9250338080
10110211021
1157236198
1230aab639
1319aaa42b
14108cc51b
159a201b6
hex691afcd

110211021 has 12 divisors (see below), whose sum is σ = 162896448. Its totient is φ = 71765064.

The previous prime is 110210953. The next prime is 110211037. The reversal of 110211021 is 120112011.

It is a happy number.

It is not a de Polignac number, because 110211021 - 222 = 106016717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 110210994 and 110211012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110211041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142005 + ... + 142778.

It is an arithmetic number, because the mean of its divisors is an integer number (13574704).

Almost surely, 2110211021 is an apocalyptic number.

It is an amenable number.

110211021 is a deficient number, since it is larger than the sum of its proper divisors (52685427).

110211021 is a wasteful number, since it uses less digits than its factorization.

110211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284832 (or 284829 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 110211021 is about 10498.1436930535. The cubic root of 110211021 is about 479.4481809634.

Adding to 110211021 its reverse (120112011), we get a palindrome (230323032).

The spelling of 110211021 in words is "one hundred ten million, two hundred eleven thousand, twenty-one".

Divisors: 1 3 9 43 129 387 284783 854349 2563047 12245669 36737007 110211021