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11211434 = 213617069
BaseRepresentation
bin101010110001…
…001010101010
3210002121012022
4222301022222
510332231214
61040144442
7164203253
oct52611252
923077168
1011211434
116368353
123908122
1324270b0
1416bbb2a
15eb6d8e
hexab12aa

11211434 has 16 divisors (see below), whose sum is σ = 18410280. Its totient is φ = 5088960.

The previous prime is 11211401. The next prime is 11211437. The reversal of 11211434 is 43411211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3621409 + 7590025 = 1903^2 + 2755^2 .

It is not an unprimeable number, because it can be changed into a prime (11211437) 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 7 ways as a sum of consecutive naturals, for example, 1949 + ... + 5120.

Almost surely, 211211434 is an apocalyptic number.

11211434 is a deficient number, since it is larger than the sum of its proper divisors (7198846).

11211434 is a wasteful number, since it uses less digits than its factorization.

11211434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7145.

The product of its digits is 96, while the sum is 17.

The square root of 11211434 is about 3348.3479508558. The cubic root of 11211434 is about 223.8138999583.

Adding to 11211434 its reverse (43411211), we get a palindrome (54622645).

The spelling of 11211434 in words is "eleven million, two hundred eleven thousand, four hundred thirty-four".

Divisors: 1 2 13 26 61 122 793 1586 7069 14138 91897 183794 431209 862418 5605717 11211434