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BaseRepresentation
bin101010110101…
…111101000010
3210010121002112
4222311331002
510333343132
61040415322
7164314364
oct52657502
923117075
1011231042
116381059
123917542
132432cb4
1416c4d34
15ebcab2
hexab5f42

11231042 has 4 divisors (see below), whose sum is σ = 16846566. Its totient is φ = 5615520.

The previous prime is 11231039. The next prime is 11231047. The reversal of 11231042 is 24013211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10621081 + 609961 = 3259^2 + 781^2 .

It is a super-2 number, since 2×112310422 = 252272608811528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11231047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2807759 + ... + 2807762.

Almost surely, 211231042 is an apocalyptic number.

11231042 is a deficient number, since it is larger than the sum of its proper divisors (5615524).

11231042 is an equidigital number, since it uses as much as digits as its factorization.

11231042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5615523.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11231042 is about 3351.2746828632. The cubic root of 11231042 is about 223.9443021595.

Adding to 11231042 its reverse (24013211), we get a palindrome (35244253).

The spelling of 11231042 in words is "eleven million, two hundred thirty-one thousand, forty-two".

Divisors: 1 2 5615521 11231042